Postpaid SK Telecom Term of Use

Article 16 (Application and Restriction of Changes to Contracts)
① The transfer of the right to use the third party or the application for succession can not be done except in the following cases. However, in spite of the following items, if there is no call volume for the last 3 consecutive months based on the billing statement, the change of name can be restricted.
1. Change of family name (family member (family member) in family relationship certificate), change of family name due to death of family member, divorce,
2. Change of name by corporation mutual business volume/capital, merger, simple mutual change of the same corporation
3. When a person or a corporation (including an individual business operator or a corporation) changes the name of a corporation or person after entering or leaving the corporation, changes the person’s name to the name of a corporation, and then changes the person’s name to the same individual name. (In principle, the number of change of name is limited to one within three months)
② If the customer wishes to change the contract of use corresponding to one of the following items,
You must submit the required documents as specified in [Attached Table 2].
1. If you want to change service type and terminal
2. If the customer intends to transfer or take over the use right to a third party pursuant to Paragraph 1 of Article 16
3. If the customer wants to change their number
4. If any other changes are required,
③ If the customer wishes to change the contract of use corresponding to one of the following items, he/she can apply by phone, fax or the internet (www.tworld.co.kr) besides visiting.
1. Change address
2. Application / cancellation of supplementary service, application / termination of suspension, notification of loss / cancellation, change of payment plan, etc.
④ If the application for change of customers in paragraphs (1) and (2) (excluding the termination of supplementary services) falls under any of the following subparagraphs, the Company may not comply.
1. If the customer stops using the service for a long period (However, minor matters such as address changes can be judged and accepted. If the customer has not paid the fee, but the service has not been stopped, Some changes such as transfer may be restricted to third parties)
2. Foreclosures • For pressurized and disposable devices
3. Violation of the contract or individual agreement with the company
4. In case of Paragraph 1, Subparagraph 1 Change of Terminal and No. 2, Paragraph 1, 1 and 2 of Article 5
⑤ If an individual who is a transferring person (transferor) dies or a foreigner returns the foreigner registration card, and it is confirmed that the foreigner has left the country completely, the corporation is closed or part or all of the business is closed, the customer 2], and may apply for the succession of the right to use the corresponding number. (Closed business includes bankruptcy and bankruptcy.)

Article 17 (Suspension of Use)
① The Company shall suspend the use immediately if the customer falls under one of the following items, and if the user fails to pay the usage fee, which is the obligation of the customer under Article 3, Article 10 (2) If you do not pay one time, you can stop using the service for two months after notifying us in advance. In a case of No. 5 and No. 6, the suspension period shall not exceed three months. Exceptions may be made in cases where the Company reasonably recognizes the reason for the suspension under Article 18 (Temporary Suspension and Reuse) ② of the paused line.
1. In violation of Article 30 of the Telecommunications Business Act (restrictions on the use of others)
2. In case of violation of Article 19 (establishment of radio station)
3. If you sign up for someone else’s name or use a third-party account or credit card
4. If it is deemed necessary for the illegal copying user who is caught by the anti-piracy service being operated for mobile phone anti-piracy service and if there is concern about illegal use by impersonation, mobile phone loan, spamming, When used to sell and distribute mobile phone lines for such fraudulent use
5. In the case of a legally registered foreigner whose legal residence period has expired (except when submitting documents to prove that the period of legal stay has been extended, Or if the alien registration number (or domestic residence registration number) is not valid, or if the foreigner has notified the company of his / her nationality at the time of enrollment, You have not notified or renewed the Company.
6. In the event that an individual customer dies, or a business customer is found to be closed or part or all of the business is closed (including bankruptcy and bankruptcy), provided that the national disaster specified in the Basic Act on Disaster and Safety Management The victim’s line of death may be retained only upon receipt of a request to maintain the survivor’s line.)
7. In case of using one of the following cases other than the purpose of providing the service without contract or agreement with the company (If the reason for suspension is canceled through termination of the supplementary service, only the supplementary service may be canceled ) Use for the purpose of running the free call and discount benefits of the rate plan for the resumption of the call exchange and the resale of the currency call 2 or more times using the supplementary service such as call forwarding or message received by the mobile phone Connecting through a number of stages. Welfare Reduction for commercial purposes.
8. The Company may suspend the use of the information usage fee more than 500,000 won by the management standards of the Company.
9. Circuits used for the sale and distribution of illegal duplicate lines, fraudulent lines, spam dispatch lines (hereinafter referred to as “fraudulent lines,” etc.) Of the total number of subscribed lines owned by the customer are also used for the purpose of ‘illegally used lines.’
10. An administrative agency or investigation that has the authority to investigate in violation of Article 19, Paragraph 1 of the Juvenile Protection Act, Article 4 of the Act on Punishment of Acts such as Procurement of Prostitution, and Article 9-2 of the Act on the Protection of Financial Users, If the agency asks you to suspend the use of telecommunication services for a specific phone number (can be suspended for 3 months)
11. If the identification and proof that the customer presented to the company at the time of enrollment are found to be invalid. In this case, the company may ask the customer for further verification of the validity of the identification card and certificate.
12. If a telecommunication number is posted on a number sales intermediary site and is classified by the future creation science department as the number of the number of times to be retrieved, it can be suspended for one month without a collection procedure. However, if there is a legitimate reason within the period and there is a call, the suspension can be canceled.
① If the Company does not fulfill the obligations of the customer pursuant to Article 3, Article 10, if the Company intends to suspend the use, the Company shall notify the customer by telephone or postal mail. However, if the customer can not be notified due to the responsible reason, the customer shall be deemed to have been notified. In the case of Article 17, Paragraph 1, Item 16, the customer shall be notified within 2 days of the suspension (excluding holidays and Saturdays).
② A customer who has been notified of suspension of use pursuant to Paragraph (2) may file an objection by visiting, telephone, fax or the like in a case of objection to the suspension. However, if there is an objection to the suspension of the use of Article 17 (1) 16, the complaint must be filed with the requesting institution.
③ The Company can not cancel the use suspension at any time except when the customer has paid the usage fee completely.
Article 4 (Suspension and Reuse)
① If the customer wishes to suspend the service for a certain period, or if he/she cancels the service being suspended, he/she must apply according to 【Attached Table 2】.
② The temporary suspension period can be applied up to 4 times a month within a period of 3 months at a time. The company automatically releases the suspension of the next day after the suspension period, and at the same time, the company informs the customer about suspension through SMS. However, this is not the case when there is a legitimate reason recognized by the company (including attachments to [Attachment 2]), such as military service, overseas stay,
③ During the pause period, the receiving function will be provided for 7 days per application. If the receiving period has elapsed, the receiving function will be disconnected from the company without further notice.
(4) If a change of status is confirmed during the temporary suspension period as stipulated in Paragraph (2), the status of resignation, complete departure, or change of status during the period of stay is confirmed.

Article 18 (Suspension and Reuse)
① If the customer wishes to suspend the service for a certain period, or if he/she cancels the service being suspended, he/she must apply according to 【Attached Table 2】.
② The temporary suspension period can be applied up to 4 times a month within a period of 3 months at a time. The company automatically releases the suspension of the next day after the suspension period, and at the same time, the company informs the customer about suspension through SMS. However, this is not the case when there is a legitimate reason recognized by the company (including attachments to [Attachment 2]), such as military service, overseas stay,
③ During the pause period, the receiving function will be provided for 7 days per application. If the receiving period has elapsed, the receiving function will be disconnected from the company without further notice.
(4) If a change of status is confirmed during the temporary suspension period as stipulated in Paragraph (2), the status of resignation, complete departure, or change of status during the period of stay is confirmed.

Article 19 (Termination)
① Customer may terminate the contract at any time. However, the fees up to the date of application for termination shall be paid to the company at the same time as the application for cancellation irrespective of the payment date of Article 27. If the above fees are not paid, penalties such as accumulation, You can.
② When customer or agent wants to terminate the contract, you can visit all branches or agents by [Attached Table 2] and apply. You can also apply for a customer center in addition to a company that can be canceled by phone, fax, or mail (excluding branches and agencies).
③ In a case of cancellation application by phone, you must be able to prove yourself.
④ In a case of cancellation by telephone of agent or corporation member, and all cancellation applications by fax or mail, you must send along the supporting documents of [Attached Table 2] that can prove each person and agent. You must cancel your application within 14 days from the date of application. Before the arrival of the required documents, the applicant will stay in a paused state and will not be charged. If the required documents of [Attached Table 2] are not received within 14 days from the application deadline, the service will return to normal use, and the company will notify the customer before the suspension process, You will be notified of the return.
⑤ The Company may terminate the use contract in any of the following cases:
1. When it is confirmed to be a subscription using a third party’s name or a false document
2. If the reason for suspension of use is not resolved within the period of suspension after the suspension of use due to non-payment of usage fee
3. If you have received a bankruptcy judgment (corporation) or an indemnification decision (individual) and you have confirmed the fact that you have given up inheritance (or limited approval) of the deceased
4. If you use the service for purposes other than the purpose of providing the service or rent the service to a third party at will.
5. In case of Article 7 (1) (i) of the Terms and Conditions (provided that, in case of cancellation of the supplementary service, the relevant supplementary service may be canceled)
6. If the suspension period specified in Article 18 (2) of the Terms of Use has expired (only for those who apply for suspension for the period before 15.33.1)
7. If an individual customer is deceased, or a corporate client is found to be closed, or part or all of the business is closed (including bankruptcy and bankruptcy).
8. If Article 17, Paragraph 1, Paragraph 4 is violated and reason for suspension is not resolved during the suspension period
9. If Article 17, Paragraph 1, Paragraph 10, and the cause of suspension is not resolved during the period of suspension, it may be terminated without prior notice.
10. If Article 17, Paragraph 1, No. 11 applies and the reason for suspension is not resolved during the suspension period
11. If the provided telecommunication number is deemed to have been provided to a user who does not intend to use the actual number, such as confirming that the telecommunication number is traded through a service that mediates sales of the telecommunication number You can cancel your contract after the rough. However, if the user can not confirm the notice of the company due to the responsible reason, the user considers it to be confirmed.
1) SMS sending or TM after completion of collection procedure of future creation science department
2) Send proof of contents
12. If one month has passed after suspension of use pursuant to Article 17 (1) 12
(6) When the Company intends to terminate the use contract pursuant to Paragraph (2), the Company shall notify the Customer of the reason for such termination five days prior to the date of the cancellation, However, if the customer can not be notified due to the responsible reason, the website will be replaced by posting or notified.
⑦ Customers who are suspended due to failure to fulfill their obligations under Article 3, Section 10, may request the Company to terminate their authority without regard to payment of the service charge, and the company must respond accordingly.
⑧Numbering The contract of use before the change of the subscriber is automatically canceled by the application of the number porting after the change.
⑨ The Company protects the personal information of the termination customer by the following clause.
1. Termination The customer’s personal information database is stored for 6 months after termination for the purpose of settlement of charges after termination which may occur due to Article 29, Article 29 (Request for Objections such as charges) of the Terms of Use. However, basic information DB and related documents related to transaction details such as name, resident registration number, mobile phone number, bill delivery address, and fee shall be collected for 5 years after termination under Article 85-3 of the National Tax Basic Act Preserves. However, in this clause, a terminated customer means a customer who has a “0” in the company’s debt-to-equity relationship (balance). If the bond-debt relationship is not “0”, it is a customer of the company, so it is not related to the item of personal information held by the customer.
2. Illegal spam transmission in violation of the Act on the Promotion of Information and Communication Network Utilization and Information Protection, and the name, resident registration number, and telephone number required to restrict the re-entry of customers who are terminated under Article 17, Paragraph 1, And for reasons of cancellation for 12 months.
⑩ After the number cancellation, you can limit the numbering for a fixed period (28 days) set by the company. (However, if you withdraw the same day, you can apply for it)

Article 20 (Infringement Accident Emergency Response)
① The Company may suspend the provision of all or part of the service in the following cases.
1. If there is a request or recommendation from the Korea Communications Commission or the Korea Internet Corporation for the purpose of blocking the user’s access to the information and communication service by the “Act on Information Network Promotion and Information Protection, etc.”
2. If it is determined that there is a possibility of causing severe damage to the company due to an external incident
3. If there is a possibility of causing serious trouble in the information communication network of other users or integrated information and communication facilities due to an abnormal phenomenon in the customer’s information system, or if it is necessary to block the cause of the problem
4. If the customer thinks that there is no time to receive the notice from the diffusion rate of the abnormal phenomenon occurred in the information communication network or if the customer can not contact the contact provided
5. In a case of national emergencies, natural disasters, etc.
6. In order to identify the cause of the failure and to protect the service quality of other customers by applying a serious risk to the information communication network,
② When the Company ceases to provide the service under Paragraph 1 above, the Company shall promptly notify the customer of the reason for the suspension, the date and time of occurrence, the period and contents.
③ The Company shall immediately resume the provision of the service if the reason for the suspension is resolved

Article 21 (Protection Measures for Customers)
① If there is a possibility that serious harm to customers’ information system or information communication network may occur, the Company may use the service in the event of a serious violation of the information communication network. , And may temporarily limit access to the information network if the customer does not comply with the request.
② When the company detects any abnormality that may cause damage to the information communication network or integrated information protection facility, the company urges the customer to take urgent protective measures. The request method is to use wired / wireless communication, Fax, SMS, POP-Up, etc.).
③ The company can inform customers of the fact that customer is accessing malicious site (malicious app store, information leak site) causing personal information, financial information leak, and take necessary action.
④ The contents of the safeguard measures to be taken by the customer are as follows. If the customer is unable to respond to an incident, the customer can ask the company for help.
1. Security check for the mobile phone terminal
2. Check related cause and post security measures (patch, vaccine program check, OS reinstallation etc.)
3. Disclose the measure on the Internet website according to the type of infringement or the status of the anomaly
⑤ If the customer does not implement the protection measures, the company will restrict access to the information network until it is determined that the customer has implemented the protection measures to protect the other users of the company.
⑥ If the Company does not take measures to protect customers’ information, the scope of the access restriction is the removal of the service port and the partial blocking of the service port. If the company restricts the unauthorized access in this regard, the customer shall use the KISPA Within one month after the occurrence of the complaint, the Company may file an appeal and demand compensation, and the Company shall reimburse it in accordance with the criteria set forth in Article 29, Section 6 of the Terms and Conditions.
⑦ The company may provide the related software to the customer for diagnosis and action on the cause of Internet infringement.
⑧ Wi-Fi users should pay attention to the communication contents and information leakage of Wi-Fi section by non-encryption of communication data.

Article 22 (Exemption Regarding Infringement)
① The Company shall inspect the Safety Diagnosis pursuant to Article 46-3 of the “Promotion of Information and Communication Network Utilization and Information Protection Act,” and shall not be liable for accidents such as infringement if it has fulfilled the obligation of a good manager as an information communication access service provider , We will not be liable in the following cases.
1. If the existence of defects can not be detected at the level of science and technology at the time of providing the service
2. If it occurs even though you have complied with the standards set by the laws and regulations at the time of providing the service
3. In case of communication contents and information leakage in unencrypted Wi-Fi section

Chapter 6 charges etc.

Article 23 (Types of Charges, etc.)
① The following fees are to be paid by the customer.
1. Usage charge: It refers to the next charge to pay for the use of basic service.
a. Basic Fee: Charges to be paid on a regular basis (monthly payment plan)
b. Monthly charge: Monthly charge (regular rate plan) that must be paid on a monthly basis regardless of whether or not it is used to use a certain amount of voice/data/
c. Call charges: Charges to be paid in exchange for phone calls
d. Prepaid Calling Charges: Charges that are deducted in real time from the prepaid amount in exchange for phone calls
2. Fees: These are the following fees that are paid in addition to the basic service.
a. Supplementary Fee: Fees paid in exchange for the use of supplementary services
b. Terminal rental fee: The monthly fee paid by the user who rents the terminal
c. Short-term mobile phone rental fee: The fee paid in exchange for short-term mobile phone rental
d. Fee for the use of voice information service: A fee to be paid to the company separately in addition to the call fee in exchange for the use of voice information service.
3. Actual expenses: Actual expenses for service delivery are as follows.
a. Subscription fee: The actual cost for subscription application such as registration to the mobile phone system (The subscription fee will not be returned upon termination.)
a. Terminal maintenance fee: The actual expenses to be paid for the maintenance and repair expenses of the terminal
1. Deposit: Amount deposited to guarantee mobile phone usage fee, etc.
2. International Leasing Roaming Fee: The fee that international leasing roaming customers must pay to the company in exchange for the management expenses incurred when providing international leasing roaming service.
3. International Automatic Roaming Fee: The fee that international automatic roaming customers must pay to the company in exchange for the management expenses incurred in providing the international automatic roaming service.
4. Fees for services provided by other telecommunication carriers: Fees to be paid to the company in exchange for the use of services provided by other telecommunication carriers
(2) The applicable standards and applicable targets for the fees, etc., under the provisions of Paragraph (1) are the same as 1 ~ 4 and 7 ~ 9 of [Attached Table 1].

Article 24 (Method of Calculation of Fee and Talk Time)
① Monthly basis (basic fee) is calculated from service opening date.
② Domestic call charges and international call charges are calculated according to the charge imposed by the company or the telecommunication carrier according to the call time.

Article 25 (Prepayment of Fee, etc.)
① The customer can prepay the mobile phone charge, etc. to the mobile phone calling card issued by the third party notified by the company.
② The Company shall be responsible for cooperating with mobile phone call card issuer in using mobile phone call card.

Article 26 (Work Calculation of Rates, etc.)
① If the service start or termination, rental of the terminal, or change of the fare plan is done in the middle of the fare month, the monthly fee (base fee), supplementary fee, terminal rental fee and short-term mobile phone rental charged as a monthly fee will be calculated as actual days.
② In the case of the rate paid on the monthly basis, when the date of occurrence of the change is in the middle of the month, the fare shall be calculated and applied. (Calculation fee to work × number of charge days)
③ The number of days (the number of days of use, the number of days to stop) to be charged when calculating the work rate is calculated as follows.
1. Incident from each incident
2. When each reason is lifted,
(4) In the calculation of work done under Paragraph (1), it shall be counted as one day even if the day is less than 24 hours.

Article 27 (Payment Date and Payment of Fees, etc.)
① The company will charge the customer to pay the fee on the due date determined by the company.
② The company can send the payment invoice such as the fee to reach the customer until 5 days before the payment date, and send out the electronic invoice besides the type of invoice requested by the customer for quick and accurate reach.
③ The company can enclose the invoice for multiple services with the same address when the customer requests it.
Article 28 (Collection of delinquent charges, etc.)
① If the customer who has been notified of the payment such as the fee does not pay the fee until the due date determined by the company, the company shall charge the total amount of the non-payment in the following month.
② If you do not pay the fee by the specified date, you will be charged a supplement equivalent to two-hundredths of the fee.

Article 29 (Objection of charges, etc.)
① The customer may file an objection within six months from the date of the claim if there is an objection to the charges charged. However, in the event of overpayment for reasons attributable to the Company, the customer may file an objection against the charges charged regardless of the text.
② The Company shall promptly investigate the validity of the objection after the receipt of the objection under Paragraph 1 and notify the customer or its representative within 10 days.

Article 30 (Reading and issuing of call history)
① The Company shall issue a request for viewing or copying of the outgoing call history from the customer or the person who has been delegated to it. However, the call history will be provided only for the latest 6 months from the date of the request. International phone calls will be provided only for customers applying for monthly billing. In order to protect customer information, some of the other party numbers are omitted. However, it does not include the provision of international telephone call history by KT.
② The Company shall conduct SMS authentication when providing call details to protect customer information. The SMS authentication procedure and call history provision criteria are in accordance with the internal regulations of the company.

Article 31 (Return of Charges, etc.)
① The Company shall provide services for not less than 3 hours from the time when the customer has not received the service due to the cause which is not his responsibility and the company has notified the meaning of the service (when the company did not understand it before) If you do not receive the service, or if the cumulative time of one month’s service failure exceeds 12 hours, the monthly charge will be calculated and paid according to the number of days that the service has not been provided. but. In a case of fewer than 3 hours of failure, the time of actual failure time is calculated in 1 day. If the failure occurs over 2 days and the cumulative failure time is less than 24 hours, it is calculated as 1 day.
② If the customer who paid a deposit or guarantee premium falls under one of the following subparagraphs, the deposit or guarantee premium paid will be returned. However, if the customer who has paid the guarantee premium has terminated the contract, the balance calculated by deducting the minimum premium (10,000 won by June 1, after insurance) is calculated as the remaining insurance period (June 1 year) Return.
1. When the use contract is terminated
2. When the conditions of the bond exemption are met
3. When we changed payment guarantee method such as fare
③ The Company may return the fee to the customer who has to return it, and the fee to be returned if there is an unpaid fee, etc.
④ The Company shall return the overdue or prepayment charge if there is overdue payment or overdue payment such as the charge, and if it occurs due to the reason of the company, the statutory rate shall be added and returned. However, if the customer agrees or does not respond to the notice of the return of the company, he/she can claim the deduction of the statutory interest rate from the new amount and the payment due date.
⑤ The Company shall inherit all fees including overpayment and OAWA which SK New Century Telecom has not returned to the existing 017 customers, and notify the customer of such facts and refund procedures within 90 days after the merger.

Article 32 (Obligation to Return Handset Subsidies and Exemption)
① If a customer who has set a mandatory use period on condition that the company subsidizes the purchase price of the terminal before March 31, 1999, terminates the use contract during the mandatory use period (including termination due to unpaid charges, etc.) The applicable subsidy of the handset shall be returned for the period of the obligation of use.
② The Company shall exempt the obligation to return the handset subsidy set forth in Paragraph 1 in the following cases.
1. A new subscriber fails to recognize the obligation to return the subsidy.
2. When terminating due to reasons of call quality in the main residence (resident registration card, billing address, work place)
3. Termination due to customer’s death, immigration, overseas stay for more than 6 months
4. If a customer joining as 017 until December 1, 2002, is terminated
③ When the customer pauses the service, the normal usage period is calculated as the ratio of the general rate basic charge to the temporary suspension fee during the mandatory use period.

Chapter 7 Damages

Article 33 (Scope and claim of damages)
① If the customer fails to use the service for a reason that is not the responsibility of the customer, the service is not provided for more than 3 hours based on the fastest time during the notification period Or if the cumulative time of occurrence of a service failure in one month exceeds 6 hours, the amount of the monthly fee (basic fee) corresponding to the time when the service is not provided and the supplementary fee, And whether there are any reasons for each item of Section 3.
② If the Company is notified of the fact that the service is not available from the user, the Company shall take the possible measures to resume the service and notify the user when the service becomes available again.
(3) Notwithstanding the foregoing, the Company may be exempted from liability for damages if it proves the reason for 1 of the following items.
1. In case of force majeure such as exhibitions, affairs, natural disasters or equivalent national emergency
2. If it is impossible to provide services due to the inevitable reason due to the nature of telecommunication services, such as the need to improve the performance of the equipment inevitably due to the occurrence of unpredictable shaded areas due to the straight line and diffraction characteristics of radio waves
3. If caused by intention or negligence of the customer
④ The company shall establish a system to record the date and time of notification that the user can not use the service, the details of the company’s measures for resuming the service, and the point of time when the service is resumed, or accept a separate user complaint, Management.
⑤ The customer who wants to claim damages must apply to the company by written, telephone, homepage or e-mail.

Chapter 8 Provision and use of number portability service

Article 34 (Number Transfer Service)
① The number transfer service is a system that allows you to transfer the phone number of mobile phone service (including WCDMA service) that is subscribed to the company’s mobile phone or another communication company and use it as it is.
② For the period when the Korea Communications Commission allowed the number to be moved temporarily from January 1, 2011, the number was moved from the mobile phone service to the WCDMA service as 01X (X = 1, 6, Time-limited number transfer to ‘). However, some handsets released before January 2011 require a software upgrade. The conditions for using this service are as follows.
1. 01X mobile phone subscribers can only use the number when moving to WCDMA service within our company, and re-moving (change of method to third party mobile phone service) within WCDMA service period is restricted.
2. The period of use is from January 1, 2011, to December 13, 2012, and the user is available only until December 13,
3. At the time of application, the user must agree to change the number from ‘12.31 ‘to ’10’ three months in advance. Until December 31, 2013, it will be automatically changed to 010 number regardless of your will.
4. In case of ‘temporary number transfer to WCDMA,’ ’01X Number Display Service’ specified in Paragraph 3 can not be used redundantly, and it can not be used sequentially.
5. Subscribers who switch from prepaid to postpaid or from postpaid to prepaid for number transfer will not be able to use the temporary number transfer to WCDMA.
① ’11. 1.1X to 01X (X = 1, 6, 7, 8, 9) Mobile phone service Customers who have moved to WCDMA service and changed the number to 010 can use ’01X Number Display Service’. However, subscribers who switch from prepaid to postpaid service or from postpaid to prepaid service can not use ’01X Number Display Service’, and mobile phone service subscribers using 019 number are available after LGU + computer preparation is completed. The 01X number display service is a service that displays the 01X number that was used in the other party’s terminal by calling number when making a call even after changing 010. The conditions for using this service are as follows.
1. 01X mobile phone subscribers can use the WCDMA service when they move within the company, and they can go to other companies to use the service after the 3-month limit.
2. Users can apply from January 1st until the end of mobile phone service of all carriers, and they are free for 3 years upon joining. However, after the mobile phone service is terminated, it can not be used regardless of the time of subscription.
3. When subscribing to this service, it is possible to display 01X when sending voice call, video call, SMS, MMS, but the use of some additional services such as lettering and call notification service is restricted.
4. When receiving a call by 01X number, the caller must be obliged to subscribe to the service that will guide the changed 010 number, and it will be automatically connected to the changed 010 number.
② The customer can apply for the operator who wants to change the number porting service application, and he/she must pay the prescribed moving fee
③ When you move the number, the contractual relationship with the existing (before change) provider including the supplementary service is automatically canceled.

Article 35 (Application and Approval)
① A customer who wants to provide number portability service (including the number portability applicant) must directly visit the operator who wants to move and submit ‘Mobile phone number porting application’ and ‘New application for membership.’
② The operator confirms and agrees with the applicant’s legitimacy, the name of the subscriber and the mobile phone number, the name of the company before and after the change, the consent of the number movement, However, when the cause of disqualification of any of the following items occurs, the number transfer is not accepted.
1. Ineligibility of applicant for change of number
2. Subscriber name, resident registration number (corporation number), mobile phone number mismatch
3. If you have selected one of the serial number, the fare account number, the credit card number, and the KT sum request number for payment, but do not agree with the description,
4. You are behind in the charge already charged based on the point-of-departure
5. If you did not agree to the numbering in the customer information verification process

Article 36 (Settlement of Fee Before Change)
① Company shall notify the remuneration of telecommunication fee, terminal payment, penalty, etc. before the change to the number porting customer, and the number porting customer shall pay the unpaid amount such as telecommunication fee, terminal payment, I will.
1. Charged charges, etc.: Payment to operators before change
2. Charges not charged: payment to the operator after the change
3. Notwithstanding items 1 and 2, when transferring postpaid service from postpaid to prepaid service when transferring numbers between operators, the service charges incurred by the operator before the change are paid to the operator before the change, regardless of whether or not they are charged. However, it is not possible to transfer the number of charges (such as penalties, discount refunds, etc.) excluding communication charges and terminal installments, unless the payment has been made in advance to the operator.
② The company will issue a receipt to the subscribers when the user has received the charge of the operator before the change from the number-transfer customer.
③ If the company subscribes to a third party, it inquires charge details, makes a request to issue a tax invoice.

Article 36 (Settlement of Fee Before Change)
① Company shall notify the remuneration of telecommunication fee, terminal payment, penalty, etc. before the change to the number porting customer, and the number porting customer shall pay the unpaid amount such as telecommunication fee, terminal payment, I will.
1. Charged charges, etc.: Payment to operators before change
2. Charges not charged: payment to the operator after the change
3. Notwithstanding items 1 and 2, when transferring postpaid service from postpaid to prepaid service when transferring numbers between operators, the service charges incurred by the operator before the change are paid to the operator before the change, regardless of whether or not they are charged. However, it is not possible to transfer the number of charges (such as penalties, discount refunds, etc.) excluding communication charges and terminal installments, unless the payment has been made in advance to the operator.
② The company will issue a receipt to the subscribers when the user has received the charge of the operator before the change from the number-transfer customer.
③ If the subscriber who has been moved to a third party inquiries about the details of the charge, and requests the issuance of the tax invoice, the company will process it according to the criteria and procedures of the Terms of Use.

Article 37 (Excepting Number Movement)
① The Company excludes the following number customers from the number portability.
1. Pre-paid mobile phone service, PPS international reception, HDN service subscribers
2. A person who has not paid the service charge even though the due date of the payment has expired
3. A subscriber who has not passed the redemption period (three months) as a subscriber to the number portability service
4. If you apply for direct redirection to the number portability management center (Korea Telecommunication Industry Association), it is possible to start from the 16th day. However, it can not be changed from prepaid to postpaid service or from postpaid to prepaid service.
5. Numbers Numbers classified as number withdrawals from the future creation science department by posting a telecommunication number on the sales intermediary site
6. A new subscriber or change of name as of August 1, 2009, A subscriber who has not passed three months after the new subscription or change of name (provided that the subscriber is directly numbered to the number portability management center If you are applying for a license,

Article 38 (Withdrawal of Number Movement)
① The customer can withdraw the number movement for reasons of call quality within 14 days after the number movement.
② If the customer withdraws from the number porting service, the company shall take necessary measures to ensure that the service of the operator before the change is provided.
③ Withdrawal of number movement For customers, we will settle the communication charges from the time of number transfer to the time of withdrawal by real-time settlement, returning the new activation fee and number transfer fee, 50% reduction of the monthly fee (basic fee).
④ If the subscriber of the prepaid mobile phone service of the company moves to another communication carrier or if the number is moved from the other communication carrier to the prepaid mobile phone service and then withdrawn, the prepaid charging balance will be extinguished and no refund will be made. However, if the company’s pre-paid mobile phone service number is moved to another carrier and the number is moved within 14 days after the number is moved, the company will reinstate it so that the prepaid charge balance of the subscriber can be used again

Article 39 (Objection and Treatment)
① The customer (applicant) can file an objection with the mobile phone operator or the number porting management center in case of damage caused by improper acts such as unauthorized change related to number portability, unjust billing, etc.
② The customer can apply for the objection by direct visit, telephone, fax, mail, internet, etc. In order to deal with this object quickly, the company should take necessary measures such as placement of counselor, internet homepage and ARS operation.
③ When the Company receives the complaint of the subscriber, the Company shall promptly confirm the fact and immediately take measures such as recovery of the original, and if necessary, appeal the complaint to the Management Center. However, if it is difficult to process it immediately, please notify the applicant without delay, specifying the reason and the processing schedule.
④ If the number is moved regardless of the intention of the subscriber, the company does not charge the subscriber for the charges from the time of opening to the time of restoration.
⑤ The Company shall compensate damages by Article 33 (Scope and claims of damages) in case of damages caused by customers due to the following reasons when moving the number.
1. If you can not make a call because of a number disturbance due to computer malfunction
2. If the call can not be made due to delays in the number portability due to reasons of the company

Chapter 9 Subsidy payments, etc.

Article 40 (Establishment of Agreement Period)
① The Company shall establish a mandatory period of use of fewer than 24 months (hereinafter referred to as the “Agreement Period”) on condition that the subscriber shall support a part of the purchase price of the terminal (hereinafter referred to as “subsidy”) when the customer subscribes You can.

Article 41 (Subsidy Payment)
① The Company may pay the subsidy differently depending on the contract period established by Article 40 and the contribution of customers.
② The Company only grants subsidies to new terminals that do not have the opening history to sell at the business place where the contract is concluded with the company.
③ The terms of the agreement, the amount of the subsidy, and the amount of the subsidy return (hereinafter referred to as “penalty”) are subject to individual agreement between the customer and the company.
④ The company may change the amount of subsidy as required by its sales policy.
⑤ For a minor to receive the subsidy under Paragraph 1, he/she must obtain the consent of the legal representative.
⑥ If customer chooses additional support program, they will be able to discount long-term subscription and to stop Rainbow points accumulation (2 year discount on long-term subscription and re-launch of Rainbow points)
1. Device Change Additional Support Program: A program that supports additional discounts when a customer who meets company conditions such as membership term/customer contribution changes the device

Article 42 (Subject to subsidy exemption)
① Notwithstanding the provisions of Article 40, no subsidy shall be paid for the following cases:
1. Prepaid mobile phone service subscribers
2. International rental roaming, hotel leased line, etc. Rental service subscription line
3. Public telephone lines installed on buses and trains
4. A customer whose payment date has passed as of the payment date but has not paid the service charge. However, if you pay the usage fee in full, the subsidy will be paid.
5. A customer whose penalty has been incurred due to unrecognized period as of the payment date. However, if the amount of the placebo is paid in full, the subsidy will be paid.
6. If the customer’s terminal is an illegal copy terminal
7. Subscriber Discount Discount Fee Customers who use the Discount Discount Program (However, if the existing customer terminates the Discount Discount Program, the subsidy can be paid. In this case, no penalty will be charged for canceling the discount program.)

Article 43 (Obligation to pay penalties)
① If the subscriber has paid subsidy by setting the contract term, the contract shall be terminated before the end of the contract period (including the case of termination due to non-payment of fee or damage to the Lost terminal). (Including the terms of use of the Plan), the Company may settle the difference (as well as return the subsidy or provide additional support) as required by the Company.
(2) The penalty under Paragraph (1) shall be calculated by the methods specified in Sections 1 to 4.
1. Cancellation of the contract (when the contract is terminated): penalty = amount of commitment × {(contract period – period after contract) / contract period (days)}
2. Amount Calculation of Amount Settlement Amount (Amendment of Amended Terms) Amount Amount = Amount of Amount before Amendment Amount of Amendment Amended Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment Amendment
3. Commitment amounts and terms and conditions refer to the amount and condition that the mobile phone contract handwritten, signed, affixed and sealed by the customer. ※ However, the amount of the contract and the terms of the agreement are determined by the terms and conditions of the company posted on the website (the amount posted on the homepage is posted on the distribution network).
4. Supplementary service obligations The additional amount paid as a condition of use is excluded from the calculation of the commitment amount.
5. The term of use after the agreement is calculated from the time of opening the service after the subsidy has been paid, and the suspension period and suspension period are not included in the period after the agreement.
③ In case of changing the name, the transferor shall pay the penalty. Provided, however, that the transferee and the transferee may agree and the transferee may succeed the penalty, in which case the transferee is liable for the penalty payment.

Article 44 (Exemption from penalty)
① In the case of any of the following cases, the obligation to pay penalties under Article 43 (1) is exempted.
1. If the customer terminates his / her call within 14 days from the date of his / her dismissal due to bad call quality in the residential area, the penalty will be exempted or exempted according to the following criteria.
end. If the customer returns all items received when purchasing the terminal, charger, battery, auxiliary goods, etc. without any damage: penalty fee exemption
I. If the returned terminal is normal or the appearance is damaged: Reduction within 30% of penalty
All. If the terminal is not returned or the performance of the terminal is damaged: No penalty is deducted
2. Termination due to death, immigration, etc. of the customer (provided, however, that the applicant must submit a document proving the reason).
3. If the customer is not aware of the terms and conditions of the subscription. Provided, however, that the penalty will not be waived if the signature or seal of the person in the mobile phone contract or the signature or seal of the person who has filed the required documents as defined in Schedule 2.
4. Termination of the Company due to reasons attributable to the Company
5. If you notice that the important matters related to the service provided by the company (rate plan, discount rate) are changed in a material adverse manner to the customer, and you cancel within two months due to the change

Article 45 (Replacement of Terminal before Expiry of Contract)
① Customer shall, within six months from the end of the term of the agreement set forth in Article 40 hereof, be replaced with a terminal that can be used for re-obligations without termination of the existing agreement, subject to the grant of subsidy There is. (However, it is not possible to make a consecutive (more than 2) consecutive 24-month contract customers.)
② If a customer who has used a re-obligatory contract terminal as a condition of the previous ① is liable to pay the penalty in Article 43 during the existing contract of obligations and re-obligations, the penalty based on the existing obligation and the penalty based on the obligation will be added up and will be charged.

Article 46 (Confirmation of Customer’s Agreement Period Setting)
① The customer must fully confirm the contract term and the contract amount and sign the corresponding column of the mobile phone contract.
② The Company provides customers with information such as contract term, contract amount, and penalty calculation method by oral explanation, telephone consultation (customer center), internet homepage (www.tworld.co.kr), distribution network beach.
③ The Company shall not require the customer to fulfill any other unfair obligations other than those stipulated in the mutual agreement with the customer.

Chapter 10 Implementation of Act on Improvement of Distribution Structure of Mobile Communication Terminal Device
Grant announcement etc.

Article 47 (Grant Announcement)
① To support the purchase cost of mobile communication terminal equipment such as mobile communication terminal device purchase price discount, cash payment, and subscription fee assistance pursuant to Article 2 (9) of the Act on the Improvement of the Distribution Structure of Mobile Communication Terminal Equipment We disclose matters related to all economic benefits provided to customers (hereinafter referred to as “grants”) through the website of the Company pursuant to Article 4 Paragraph 3 of the Act.

Article 48 (Types of Grant, etc.)
① The company shall pay the fee according to the contract to the agent when the agency that concluded the entrustment contract with the company recruits the customer who satisfies the provision of the subsidy. The agency shall pay the fee received from the company (including related persons) We provide grants to customers with the method of calculating and paying the deduction from the factory price (hereinafter referred to as “Temporary Assistance”).
(2) If a customer purchases a mobile phone terminal unit as a installment and divides the subsidy during the installment period when the customer subscribes or changes the equipment, a portion of the installment payment is divided over the installment term (hereinafter referred to as “installment allowance” ) Can be provided.

Article 49 (Prohibition of Discrimination on Grant)
① In providing grants pursuant to the Terms and Conditions, the Company shall not provide the Distributor with unfairly discriminatory grants in accordance with Article 9 (3) of the Mutual Benefit Act.
(2) The matters concerning the establishment of the agreement period, the amount of the grant money and the return amount of the grant money (hereinafter referred to as “repayment”) in relation to the provision of the grant under Article 47 and Article 48 are subject to individual agreement between the customer and the agent, Table 5].
③ The Company shall impose the obligation to use specific rate plans and supplementary services for a certain period on condition that the Agency (or the Distributor) concludes a contract with the customer and separately provides the support money in violation of the Terms and Conditions. Or any other contract that restricts the promotion of such services.
④ In order for a minor to receive temporary payment and installment payment, it must obtain the consent of the legal representative.

Article 50 (Providing Benefits to Users Who Have Not Received Grant)
① by Article 6 of the Single Act, the Company may provide benefits such as a rate discount equivalent to the subsidy to the subscriber who intends to subscribe to the mobile communication service without receiving subsidy to the subscriber.
② Benefits such as rate discounts provided by the company shall be based on the [Schedule 1] list.

Article 51 (Guidance on Expiration of Contract)
① The Company shall re-enter the rate discount corresponding to the subsidy or receive the subsidy and change the equipment if the subsidy corresponding to the subsidy expires, one month before the expiration of the contract and two expiration after the expiration of the contract. You will be informed of the facts available, the route of your subscription, the terms of your choice, etc. via SMS, invoices, etc. The detailed contents of the customer statement through SMS are as [Attached Table 6].

Chapter 11 Youth Protection, etc.

Article 52 (Youth Use Agreement)
①Users who are under 18 years of age (including children) can apply for a use only if they have the consent of their guardian (legal representative in civil law), and the company may require the submission of additional documents to confirm the consent of the guardian There is.
② The Company will not accept applications for applications under the name of children under the age of 4 (except for certain products designated by the Company for child safety etc.).
③ The company may use the exclusive use contract for youth when signing a contract with youth or guardian.
④ The company specifies the main part of the Youth Protection Related Terms and Conditions, the Youth Fee System,

Article 53 (Protection of Youth)
① The company should endeavor to prevent young people from accessing harmful contents of youth by using mobile communication.
② It is recommended that the company apply for the mobile phone that is used by the youth in the name of the youth.
③ A user who is subscribed to a youthful name may block access to harmful contents such as adult contents of the wireless Internet.
④ The Company provides the following services when the applicant or guardian applies for the protection of the youth.
1. Wireless internet blocking service
2. Wireless Internet Usage Fee Notification Service (only if the guardian is a subscriber)
3. Toll-free service blocking service

Article 54 (Termination of Youth Use Contract)
① If the company concludes a youth use contract that falls under any of the following subparagraphs, it must respond if the interested party requests termination. The company shall refund the fee paid (subscription fee, deposit or guarantee premium) and pay the remaining fee. You can not make a claim against us.
1. A contract for the use of juveniles signed by a guardian without the consent of the guardian (consent form, seal certificate, etc.)
2. Contracts for the use of juveniles committed by others (parents, relatives, acquaintances, etc.)

CHAPTER 12 Protection of users against pornography

Article 55 (Protection of users against pornography)
① The Company shall endeavor to prevent users from accessing illegal media in Korea and abroad by using mobile communication.
② The Company may prevent the access to illegal media in Korea and abroad which are collected and provided by the publishers, distributors or media related organizations of the media (Korea Wireless Internet Industry Association).

Article 56 (Use of services by customers using self-service terminals)
① If the company does not directly distribute or sell the IMEI information (the international identification number unique to the individual terminal, the same shall apply hereinafter) is not pre-registered in the company system (hereinafter referred to as “self-service terminal” Application can be made according to Article 4 procedure.
② The company may restrict the subscription of the tariff for the special purpose terminal (self-paying service, not voice-centric). However, self-service terminals that are identified as modem-type terminals through the branch office can subscribe to the modem-based service plan. (M2M series / data-only service plan can not be registered regardless of whether the terminal is confirmed or not)
③ Some of the self-service terminals may have poor voice/data quality depending on the characteristics of the terminal, or there may be restrictions on usage of SMS / MMS / supplementary service according to the terminal specification. The Company has no obligation to compensate for any restrictions on the use of the service caused by the terminal itself.
④ Some of the overseas terminals may not be able to support emergency calls (112,119,113, etc.) due to the difference of technology and whether they have the emergency phone number transmission function.

Article 57 (Rational Traffic Management)
① In order to secure the security and stability of the network and to protect the interests of many users at the time of network congestion, the company has established guidelines on network neutrality and Internet traffic management, rational management and use of network and transparency of traffic management You can enforce traffic management.
② The traffic management information disclosure form (KFI) such as the company’s traffic management scope, application conditions, procedure, method and the effect thereof can be checked on the attached table <4> or on the internet homepage (https://www.tworld.co.kr) There is.
③ When implementing traffic management, the company notifies users before e-mail or e-mail or short messages (SMS) or notifies the website. However, it may not be notified or notified when user guidance measures by other methods (for example, guidance for blocking access to pornography and gambling sites) are made, or the user has already recognized (for example, traffic management by user request) There is. Also, we will notify or notify the cause, date, time, and stoppage of traffic management in the following cases where advance notice or notice is impossible.
1. When it is judged that there is not enough time for the user to receive notice in advance due to the speed of the disorder occurring in the information and communication network
2. You can not contact the contact you provided
3. When user identification is not possible

CHAPTER 13 Prevention of fraudulent transmissions such as sending spam and calling number

Article 58 (Definition of Terms)
① In general, ‘spam’ refers to commercial information for commercial purposes that is transmitted unilaterally through the information and communication network even though the user does not want it.
② “Illegal spam” refers to commercial information for commercial purposes that is transmitted or posted in violation of Articles 50 through 50 of the Information Communications Network Promotion and Information Protection Act (the “Information and Communications Network Act”).
③ ‘Caller ID’ refers to the phone number of the sender who sends out a voice call or text message.
④ ‘Caller ID Change Service’ refers to a service that changes the caller ID number according to Article 84-2 (2) of the Act
⑤ ‘Internet sending text message’ refers to a text message sent using Internet web browser, smart phone application, private text sending device, etc. instead of telephone terminal
⑥ “Unauthorized sender” refers to a false sender who uses a mobile phone to send out spam, or to change the originator’s number for the purpose of causing the recipient to be deceived, abusive, intimidating or harassing, Who is a member of the

Article 59 (Collection and use of personal information related to fraud prevention)
The Company reserves the right to suspend the use of the service due to transmission of illegal spam or change the originating number, or to reserve the consent for the use of the service by the customer whose contract has been terminated, in addition to the collection items and purpose specified in the Privacy Policy. , Birth date (corporation registration number, business registration number), telephone number, a reason for suspension and cancellation for one year.

Article 60 (Restrictions on Application Approval for Preventing Unauthorized Transmission)
① The Company shall not accept the application for the use of one of the following items in connection with the transmission of spam.
1. In the case of an individual or corporation (including a corporation representative) who has not expired one year since the suspension of use or termination of contract due to spam transmission regardless of the affiliated communication company. Except in the case of opening a prepaid phone line or when it is confirmed that the suspension of use or termination of the contract does not depend on the negligence of the party such as impersonation by another person
2. An individual or a corporation (including a corporate representative) who has been identified as spam or illegal spam sender by the Korea Communications Commission or the Korea Internet Corporation for a suspension or termination of the contract,
3. In case of violation of the original purpose of the service, the cannon phone (cellular phone which is registered as another person’s name to conceal his / her identity) has been mediated or opened, used or punished
4. If there are facts or penalties related to piracy
5. If a person who has been disposed of by a fine for the illegal spam transmission is registered as a punishment delinquent in a credit information concentration agency pursuant to Article 53
6. If you have rented it to someone who opens your phone and sends illegal spam

Article 61 (Obligation of Customer to Prevent Fraudulent Transmission)
① In case of transmitting commercial information for commercial purposes by using mobile communication service, the customer must comply with the information communication network law and company’s terms of use.
② Customer shall bear all civil and criminal liability arising from the transmission of spam or illegal spam.
③ In order to prevent mass illegal spam transmission prohibited by the Information and Communication Network Act, customers must send messages (including SMS, MMS, and chat service) and voice spam calls (such as one ring and no end call) more than 500 per day per line You can not. The number of outgoing messages per line is greater than 500 (note that the group chat origination is counted as one, regardless of the number of group chat recipients), or the chat service exceeds 500 recipients per day, , The Company may restrict the use of the service by setting a period of less than one month. However, if the customer can confirm that the company is not sending illegal spam through the supporting documents, etc., excess delivery is possible.
④ The customer should not use the character discount service, the character unlimited rate system or the supplementary service to transmit the commercial information for a commercial purpose, or transmit the message or cause the call using the physical device or automatic transmission program.
⑤ Customer shall not transmit a message or voice call and video call using a physical device or automatic transmission program without company’s consent or contract, and in a case of violation (or objectively presumed violation) You can limit the transmission of voice and video call calls.
⑥ The sending of more than 3,000 text messages per day may be restricted by the use of physical devices or automatic transmission programs.
⑦ Even if you send text messages via the website operated by the company, you must comply with the Spam Information Network Act and the Terms of Use.
⑧ In violation of Article 84-2 (1) of the Telecommunication Business Act, the telephone number (including text message) of the sender should not be displayed as false. In a case of violation, use of the service is restricted according to the judgment of the company and related laws.
⑨ If the customer wishes to report a voice call or text message whose calling number has been changed, the following items must be submitted to KINS.
1. Changed caller ID
2. The date and time when the calling number received the changed voice call or text message
3. Current telecommunication services and telecommunication companies
4. Data or reason to prove that the calling number has been changed

Article 62 (Duties and Powers of the Company for the prevention of fraudulent transmission)
① The company can block the reception of the text and voice calls without informing the customer when illegal spam is sent to the customer who uses the service.
② The Company may restrict the use of the service without notifying the user when the customer who uses the service transmits the illegal spam or transmits the text and voice call by changing the calling number
③ The Company may take measures to prevent the reception of text and voice calls when the user does not want to receive the advertisement information when there is a possibility of occurrence or a failure to provide services due to transmission or reception of advertisement information.
④ The Company may refuse to provide the service if the service provided by the company to the user through the use contract violates the 50th Article and 50th Article 8 of the Act and is used for the transmission of commercial information for commercial purposes.
⑤ The Company shall provide the Information and Communication Promotion Association of Korea for the purpose of detecting spam senders and reducing spam according to the consent of the users who are suspended or contracted for illegal spam transmission; It can be viewed by other carriers.
⑥ The Company may provide the content of the blocked characters and the information of the originating company to the Korea Internet Promotion Agency through the ‘spam filtering (filtering)’ supplementary service which automatically blocks the spam to minimize the damage of receiving the spam letter of the customer.
⑦ When the company confirms that the customer has transmitted illegal spam, the company can notify the illegal spam response center with the relevant data.
⑧ The Company has requested the submission of data on the name, address, resident registration number, period of use, and contact information of the spammer from the Korea Communications Commission and the Korea Internet & Security Agency under Article 64 (2) and Article 65 (3) of the Information and Communications Network Act. You can provide the materials.
⑨ When the company receives the spam report from KISA, the company can check whether there is a large number of letters sent and the change history of service in order to check whether the service is suitable for the service purpose.
⑩ The Company does not provide a service that can display the false telephone number of the sender for commercial purposes pursuant to Article 84-2 (2) of the Telecommunications Business Act. However, if there are justifiable grounds such as public interest or convenience to the recipient, it may be provided in accordance with relevant laws and regulations.
⑪ The Company shall take the following measures in order to prevent user’s damage caused by false phone number. However, in the case of Clause 7, it is excluded.
1. Measures to block the call of the telephone number indicated by false or to correct it to the normal telephone number of the sender and send it to the receiver
2. Measures for guiding outbound calls to overseas calls from overseas
3. Measures to suspend the provision of telecommunication services to the corresponding line of the person who transmitted the telephone number indicated by false
4. Other matters designated by the future creation science minister for the protection of users
⑫ The company will block the voice call and text message if the user changes the calling number randomly and sends voice call or text message. However, except in the case of a legitimate reason for changing the calling number according to Clause 1.
⑬ The Company shall notify the user who sent the text message when the text message is blocked according to paragraph 9
⑭ The Company shall provide a service to display the text that informs the user that the user is sending Internet text message to the Internet sending a text message to distinguish it from the text message sent through the telephone terminal. However, if the user does not want, it may not be displayed.
⑮ If the Company provides Caller ID Change Service pursuant to Section 7, the Company handles the caller ID change directly and does not delegate or entrust the authority to others.
16 In order to prevent damage to users, the Company shall provide the following documents or respond to the inspection required, upon request of the Minister of the Creation Science of the future
1. In case of blocking the call of the telephone number indicated by false, such as change, the telephone number, blocking time, originator’s name
2. If the recipient reports a false telephone number, such as a change of origin,
3. Relevant data that can confirm whether or not the measures of paragraph 2

① If the user who receives the voice call or text message transmitted to the changed calling number requests the confirmation of the original calling company through KISA, the company confirms the calling company name from the incoming call information and provides it to Korea Internet Promotion Agency. However, it may not be possible to track if it can not be traced for technical reasons.
② The Company shall issue a document proving that the user is the telephone number used by the user when requested by the user.
③ Others It is necessary to prevent caller ID from being changed, and matters not stipulated in terms of use of the company shall be as stipulated by related laws such as Telecommunications Business Law.

Article 63 (Suspension of fraudulent senders)
① The Company may suspend or restrict (partially or entirely) the use of the service by setting a period of one month if the contractor falls under any of the following. However, you may not cancel the use suspension action until the reason for stopping the use is completely resolved.
1. When the Korea Communications Commission or the Korea Communications Commission confirms the illegal spam transmission and requests suspension
2. If the transmitted advertisement information is found to be illegal spam
3. Penalties for illegal spam transmission
4. If there is a possibility of causing or causing a trouble to the company’s service (system) by transmitting a large amount of spam message (including SMS, MMS) or voice (video) call
5. If the service provided to the contractor by the Company is used for illegal spam transmission
6. If you send a message exceeding 500 messages per day or more than 1,000 messages per day without confirming to the company that it is not illegal spam transmission through supporting documents
7. Use the service for purposes other than the purpose of providing the service or lease the service to a third party at will.
8. When using the service provided to the contractor (letter discount service, letter-unlimited rate plan or additional service) for the advertisement information transmission for commercial purpose (spam transmission)
9. If spamming is used for spamming or infected with malicious apps
10. If the person who received the advertisement requested to reject the call but retransmitted continuously
11. The person who received the ad reported it as spam.
12. If a spammer has been identified through the spam notified by KISA or by the company’s customer center about the company’s general subscribers, the SMS or MMS transmitted from the spam circuit (third-party subscriber) If it is necessary to block reception until the spam line is stopped
② The Company may suspend the user if there is an objective circumstance that the other number being used by the contractor who is confirmed to have transmitted the illegal spam is abused or misused by the illegal spam.
③ When the Company ceases to use the service pursuant to Paragraphs 1 and 2, the Company shall notify the Contractor of such fact. However, if it is difficult to notify in advance, you can notify us after stopping use.

Article 64 (Termination of Negative Transmitter Contract)
① The Company may terminate the service contract if the contractor falls under any of the following.
1. When the Korea Communications Commission or the Korea Communications Commission requests the termination of contracts related to illegal spam transmission.
2. If it is confirmed that indiscriminate spam has been transmitted through a method such as text, voice (video) call to an unspecified number of persons
3. If the company has confirmed illegal spam by requesting the KISA to check the advertisement information transmitted by the contractor
4. If the service provided to the contractor (such as letter discount service, unlimited rate plan, or additional service) is used for the advertisement information transmission (spam transmission) for commercial purposes or the physical device such as automatic dispatch program causes the character or currency
5. When a service is used to induce a reply by cheating a recipient, such as a “one-ring.”
6. If the reason for suspension of use recurs within one year after suspension of use under Article 67 (1)
7. If one month has elapsed without relieving reason for suspension within the period of suspension of use under Article 67 (1)
8. When a destination is arbitrarily created and a text message or voice call (including ARS) is sent to an unspecified number
② The Company may use the other number if there is an objective circumstance that there is a possibility that the other number used by the contractor who is confirmed to have transmitted the illegal spam is abused or misused by the illegal spam.
(3) The Company shall notify the Contractor of the fact of termination of the service contract under Paragraphs (1) and (2). If the customer can not be notified for the responsible reason, it will be deemed notified. If it is difficult to notify in advance, you can notify us after the contract termination action
Addendum
Article 1 (Effective Date)
These Terms will be effective November 24, 1997.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 22, 1997.
Addendum
Article 1 (Effective Date)
These Terms will be effective from January 8, 1998.
Addendum
Article 1 (Effective Date)
These Terms will be effective January 15, 1998.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 1, 1998.
Addendum
Article 1 (Effective Date)
These terms will be effective April 16, 1998.
However, pre-paid discounts on [Table 1] Fee Schedule No. 6 will take effect on May 1, 1998.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from May 21, 1998.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from June 4, 1998.
Addendum
Article 1 (Effective Date)
These Terms will be effective June 8, 1998.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 12, 1998.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 2, 1998.
However, Chapter 5, Article 18 (Suspension and Reuse) The number of times of suspension application prescribed in Paragraphs 2 and 3 and the restriction on reception function and the purchase subsidy of Article 6, Article 32 (Return of purchase subsidy) Return Duty Exemptions will apply to new customers after the effective date of this Agreement.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 1, 1998.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from January 4, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 22, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 20, 1999.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will take effect on July 1, 1999.
However, contents related to local discount rate and designated number discount rate will be effective from July 15, 1999
Addendum
Article 1 (Effective Date)
The domestic call charge exemption for the use of the Korean telecommunication number guide service will be applied to customers using this service on June 1, 1999.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will be effective August 1, 1999.

Addendum
Article 1 (Effective Date)
These terms will be effective August 5, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective September 1, 1999. However, Chapter 6 Article 32 (Obligation to Return Purchase Subsidies and Exemption) Article 6 is effective from October 1, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 9, 1999.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 20, 1999.
Addendum
Article 1 (Analogue service interruption and digital conversion procedure)
① The company will stop the analog service on December 31, 1999 at 24 o’clock.
② Use of the following services will be restricted from the following day after the announcement of the suspension of analog service.
1. New subscription and re-entry in analog mode
2. Switching from digital to analog
③ According to Paragraph (1), when the analog service is stopped at the time when the analog is turned on, the customer who is in the suspended state or suspended state, the company terminates the service use contract.
④ Analogue service From the 7th day after the announcement of the service interruption to the time of the service interruption, analog customer needs to follow the following procedures to switch to digital.
1. Conversion place: SK Telecom branch and event agency
2. Conversion target: analog personal and corporate customers (except for customers with suspended or unpaid at the time of conversion)
3. Analog phone (including body, battery, charger) must be returned when applying for conversion.
4. Other Specific Conversion Procedures are by the “Digital Customer Conversion Guidelines for Analog Customers” issued to dealers.
⑤ When the company judges that it is necessary to change or modify the terminal due to the change of facilities, etc., the customer must comply with the request and the company shall purchase the terminal and necessary parts (excluding parts not related to the use of hands- We will support all or part of the expenses as determined by the Company.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 1, 1999
Addendum
Article 1 (Effective Date)
This Agreement will be effective on December 6, 1999
Addendum
Article 1 (Effective Date)
This Agreement will be effective from January 1, 2000
Addendum
Article 1 (Effective Date)
These terms will be effective from February 1, 2000.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from February 21, 2000.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will take effect on March 6, 2000.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 13, 2000.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 2000. However, Chapter 6, Article 31 (Return of Fees, etc.) Article 4, Clause 4 of the Rate of Return or Omega-shi Fare Return Policy and [Attached Table 1] 1. Common Terms of Use d) Temporary suspension of reduction of taxes, The amount will be effective from May 1, 2000.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 22, 2000.
Addendum
Article 1 (Effective Date)
This Agreement will be effective June 1, 2000.
Addendum
Article 1 (Effective Date)
These Terms will be effective from July 1, 2000.

Addendum
Article 1 (Effective Date)
This Agreement will be effective from August 1, 2000. However, [Attached Table 1] 1. Usage charge a. Restrictions on subscription fees for base and domestic calls will be effective September 1, 2000
Addendum
Article 1 (Effective Date)
This Agreement will be effective from September 6, 2000.
Addendum
Article 1 (Effective Date)
This Agreement will be effective October 9, 2000.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from November 20, 2000.
Article 2 (Reduction of Fees) If the customer who subscribed with the new & new terminal compensation condition (event name: Best & Best Grand Festival) in April ~ May exchanges with the terminal set by the company, We will reduce usage charges (base fee, domestic call charges, supplementary fee, international call charges, telephone tax, etc.).
① Customers whose average monthly usage charge is 25,000 won or more for 30 months from the following month: Decrease by 327,000 won
② Those whose average monthly usage charge is over 40,000 won for 30 months from the next month of subscription: Reduction by 377,000 won.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 21, 2000. [Table 1] 1. Common Terms and Conditions d) Disability such as reduction of fees, etc. Among the contents of reduction of the disabled persons such as disabled persons by the Welfare Act, ① telephone charges and ② wireless data communication service and data messenger service The exemption clause is effective from January 1, 2001, and the exemption clause for customers newly subscribed on that day after termination of the mobile wireless public telephones (Type A and B) installed in the taxi is 2001 It will be effective from April 15th.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from February 1, 2001.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 5, 2001. [Appendix 1] 1. Common Terms and Conditions d) Provisions limiting the number of persons covered by the Livelihood Protection Act, such as reduction of taxes, to one phone call per household, including other children’s telephone companies, It is enforced from the day.

Addendum
Article 1 (Effective Date)
These Terms will be effective March 1, 2001.
Addendum
Article 1 (Effective Date)
These terms will be effective April 2, 2001. However, the CDMA 2000 1x wireless data rate will be effective from April 23, 2001
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 8, 2001.
Addendum
Article 1 (Effective Date)
These Terms will be effective June 1, 2001.
Addendum
Article 1 (Effective Date)
These Terms will be effective from July 11, 2001.
Addendum
Article 1 (Effective Date) This Agreement will be effective on August 7, 2001.
Addendum
Article 1 (Effective Date)
These Terms will be effective from August 20, 2001.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2001.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 18, 2001.
Addendum
Article 1 (Effective Date)
These terms will be effective November 24, 2001.
Addendum
Article 1 (Effective Date)
These Terms and Conditions are January 1, 2002
Addendum
Article 1 (Effective Date)
This Agreement will be effective from January 1, 2002
However, the discount rate for business discounts and long-term subscription discounts will be effective from February 1, 2002.
Addendum
Article 1 (Effective Date)
These Terms will be effective January 13, 2002.
(Change the identification number – Change the number between 011 and 017) Existing subscribers can continue to use the existing mobile phone number, but for the subscribers who want to change the identification number, the identification number will be changed within the available number resource.
However, changes from 011 numbers to 017 numbers are restricted unless there is a special reason. If customers using existing 017 numbers change to 011 numbers, the plan must be changed to “new / conversion-eligible plan.”
However, the change of identification number will be effective from April 5, 2002.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 12, 2002.
However, [Attached Table 1] 4. Additional Services (Excluding VAT) a. The coloring service of paid additional services will be effective from May 1, 2002.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 20, 2002.
[Appendix 1] 1. Common Terms and Conditions d) The rate reduction of the data call charges for persons with disabilities such as fees, persons with disabilities, groups of persons with disabilities, beneficiaries of public welfare and child welfare facilities shall be implemented from July 1, 2002, Chapter 3, Article 9 (Obligations of the Company) Separate sales of terminal A / S and charger of paragraphs 8 and 9 will take effect on August 1, 2002.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from June 1, 2002.
However, the basic fee and the optional fee for the content of the wireless data (packet) fee will be effective from July 1, 2002.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from August 1, 2002.
However, on June 13, 2002 (Thursday) and July 1, 2002 (month), discount and midnight hours apply retroactively by the revised holiday regulations.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 1, 2002.

Addendum
Article 1 (Effective Date)
These Terms will be effective October 15, 2002. However, the service of calling number storage service and number change guidance by third party transfer will be effective from November 1, 2002.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 6, 2002.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 25, 2002.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2003.
Please note that the View Plus rate will be effective from February 1, 2003, and individual billing for a couple plan will be effective April 1, 2003.
Addendum
Article 1 (Effective Date)
These terms will be effective January 6, 2003.
However, discounts for large subscription lines, corporate rate (017) reductions and discounts will be effective from March 1, 2003.
However, the membership system will be enforced on March 1, 2003, but the requirements for computerization, such as the separation of membership and fare system, and the annual usage limit of membership, will be enforced on June 1, 2003.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from February 21, 2003.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 2003
Addendum
Article 1 (Effective Date)
These terms will be effective June 25, 2003
Addendum
Article 1 (Effective Date)
These Terms will be effective August 5, 2003
Addendum
Article 1 (Effective Date)
This Agreement will be effective October 1, 2003
Addendum
Article 1 (Effective Date)
These Terms will be effective November 28, 2003. However, the originating number confirmation service will be retrospectively executed from October 1, 2003. Lettering will be effective from December 8, and Rainbow Point will be effective from January 4, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2004. However, the terms of the contract discount plan and the multi-rate plan new / conversion subscription will be suspended from January 5, 2004, and the contents related to the cancellation application and changes in the membership system will be effective from January 30, 2004
Article 2 (Maintenance of existing subscriber’s rate plan)
① If a subscriber using an existing carrier identification number changes to a 010 number, the number is changed without changing the plan.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from February 1, 2004
Addendum
Article 1 (Effective Date)
These terms will be effective February 2, 2004
Addendum
Article 1 (Effective Date)
These Terms will be effective March 2, 2004. However, the number change guidance service is effective from March 15, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 9, 2004.
However, subscription to the service for the notification of calls will begin on June 1, 2004

Addendum
Article 1 (Effective Date)
These Terms will be effective April 13, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 28, 2004.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from May 1, 2004. However, on May 10, 2004, the telephone number of the women’s issues will be enforced from June 1, 2004, for the designated number toll service.
Addendum
Article 1 (Effective Date)
These terms will be effective June 1, 2004.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will take effect on June 3, 2004. However, Data unlimited promotional fee will be effective from June 4, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective from June 10, 2004.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from June 18, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective from June 22, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective June 28, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2004.

Addendum
Article 1 (Effective Date)
These Terms will be effective July 21, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 1, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective September 3, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective September 22, 2004.
However, the message call monthly payment service will be effective October 1, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective September 25, 2004.
Addendum
Article 1 (Effective Date)
This Agreement will be effective October 1, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 29, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 1, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 10, 2004.

Addendum
Article 1 (Effective Date)
These terms will be effective November 19, 2004.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 13, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective December 15, 2004.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2005.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from February 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 3, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective February 23, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 3, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 25, 2005.
However, Enjoy Game cum and color mail will be effective from April 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 18, 2005.
However, the Mobile Nate On Wing and M-Bank will be effective from May 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 20, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective April 22, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective May 1, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective May 12, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective from May 31, 2005.
Addendum
Article 1 (Effective Date)
This Agreement will be effective June 9, 2005.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from June 20, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2005.
However, Doozle will be on July 11th, and TING / INON customers will be enrolled in Color Mail Free on July 15th.

Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective August 1, 2005.
However, the image call service and lettering plus will take effect on August 16.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 11, 2005. However, information ringing and well-being call service will be effective from September 5th.
Addendum
Article 1 (Effective Date)
These Terms will be effective September 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective September 9, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective September 22, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 1, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 20, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective November 2, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective November 9, 2005.

Addendum
Article 1 (Effective Date)
These terms will be effective November 17, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective November 21, 2005.
Addendum
Article 1 (Effective Date)
These terms will be effective November 30, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 15, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 27, 2005.
Addendum
Article 1 (Effective Date)
These Terms will be effective January 1, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective from June 14, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective June 26, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective July 1, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective from July 5, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 1, 2006.
However, the number change guidance service including SMS forwarding and call forwarding plus service will be effective on August 10.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 9, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 14, 2006
Addendum
Article 1 (Effective Date)
These Terms will be effective September 1, 2006.
Addendum
Article 1 (Effective Date)
These terms will be effective October 11, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective September 27, 2006.
However, the revision of TMS service prepayment and automatic payment discount will be effective November 1, 2006.
Addendum
Article 1 (Effective Date)
These terms will be effective October 4, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 25, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 9, 2006.
However, the matters related to My Hard service will be on November 20th, and net game fixed service will be on December 4th.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 17, 2006.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 4, 2006.
However, the automatic phone image storage service will be on December 15, and the BCP Basic Service will be changed on January 1, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective from February 1, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective January 1, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective January 23, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective February 6, 2007.
However, the amendment of the rate reduction and abolition regulations is based on the amendment.’
(2007.1.4), and the text manager premium service will be effective from February 15,
Addendum
Article 1 (Effective Date)
These Terms will be effective March 1, 2007.

Addendum
Article 1 (Effective Date)
These Terms will be effective March 16, 2007. However, the amendments related to the Terms of Use of Youth in Article 11, Clause 52, will take effect on March 20, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 15, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 20, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective April 1, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective April 6, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 16, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 23, 2007.
However, T-INTERACTIVE service, Magazine service, Automatic address book storage service Plus, April 26, 2007, SmartPack service and [Attached Table 1] 1. Common Terms of Use d) It is effective from May 1.
Addendum
Article 1 (Effective Date)
[Attached Table 3] of these Terms and Conditions of the Grant will be changed from May 30, 2007
Addendum
Article 1 (Effective Date)
These terms will be effective May 1, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective May 11, 2007.
However, three types of mobile web data plans will be introduced on May 18, 2007.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from June 5, 2007
Addendum
Article 1 (Effective Date)
These terms will be effective June 15, 2007
Addendum
Article 1 (Effective Date)
This Agreement will be effective on June 22, 2007
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2007
([Attachment 1] 4. International roaming service portion among other charges and 10. International roaming terminal rental fee and international automatic roaming fee portion of other fees)
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2007
Addendum
Article 1 (Effective Date)
These Terms will be effective July 16, 2007
Addendum
Article 1 (Effective Date)
These Terms will be effective July 20, 2007
Addendum
Article 1 (Effective Date)
These terms will be effective July 25, 2007
Addendum
Article 1 (Effective Date)
These Terms will be effective July 30, 2007
Addendum
Article 1 (Effective Date)
These terms will be effective August 1, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 10, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective August 31, 2007.
Addendum
Article 1 (Effective Date)
T-Ring service will be effective on October 1, 2007, and data messenger service rate will be changed from January 1, 2008.
Addendum
Article 1 (Effective Date)
The discount rate between its customers is October 1, 2007, the new save fee is October 17, 2007, and the 5,000 won prepayment contract was made on November 1, 2007. The inclusion is effective from December 1, 2007. (However, if the license is later than the enforcement date, the enforcement date will be enforced.)

Addendum
Article 1 (Effective Date)
These Terms will be effective October 12, 2007.
However, the inclusion of mobile messenger in the Messaging flat rate service (messaging subscription, photo couples, 3 line messaging subscription) will be effective November 1, 2007, and i’s Box service will be effective November 15, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective October 18, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective November 1, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective November 9, 2007.
However, the i’s Box service will be effective November 15, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 1, 2007.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 5, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 6, 2007.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 19, 2007.
However, Data Roaming Promotion will be effective on December 24, 2007.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2008.
Addendum
Article 1 (Effective Date)
The ‘T-Plus Plus Discount System’ for ‘T Standard Charge’ and ‘Discounted Charge Between Customers’ will be implemented on March 3, 2008, and’ T- Will begin on May 1, 2008.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 1, 2008, and the effective date of “Data Perfect” will be changed from May 1, 2008, to April 1, 2008.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 17, 2008.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from May 1, 2008.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 30, 2008.
([Attachment 1] 4. International roaming service portion among other charges and 10. International roaming terminal rental fee and international automatic roaming fee portion of other fees)
Addendum
Article 1 (Effective Date)
These Terms will be effective from June 5, 2008.
Addendum
Article 1 (Effective Date)
These Terms will be effective from June 18, 2008.
Addendum
Article 1 (Effective Date)
These terms will be effective June 27, 2008.
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2008.
Addendum
Article 1 (Effective Date)
These Terms will be effective from July 10, 2008.
Addendum
Article 1 (Effective Date)
The change of ‘Melon service’ will be effective from July 30, 2008. The ‘Data Perfect Swim Lotion’ extension, ‘Family Plus Coupon’ and ‘Voucher Flat’ Will take effect on August 4, 2008.
Addendum
Article 1 (Effective Date)
‘Q Message Service’ will be on August 12, 2008, ‘Pajama 5 Service’ will be on August 14, 2008, and ‘T-Time Rates for Women’ will be on August 25, 2008.
Addendum
Article 1 (Effective Date)
On Sept. 8, 2008, ‘Ting Junior Standard Service Plan’ was newly established on Sept. 12, 2008, ‘Data Messenger Service,’ ‘Eye Topping,’ ‘CGN Mobile Free Service’ Tight relief service ‘change will be effective from September 30, 2008.

Addendum
Article 1 (Effective Date)
The tariff reduction subject and the content change under the Enforcement Decree of the Telecommunication Business Act shall be enforced on October 1, 2008.
Addendum
Article 1 (Effective Date)
Changes in the name of fee products such as ‘Family General Plan,’ including new / conversion subscription limit, ‘T standard rate plan,’ and ‘T-ri school student discount’ will be changed from October 13, 2008.
Addendum
Article 1 (Effective Date)
The contents of the mobile messenger service will be changed on October 24, 2008.
Addendum
Article 1 (Effective Date)
The Social Safety Net Care fee plan will be introduced on November 11, 2008.
Addendum
Article 1 (Effective Date)
Restrictions on subscription discount / new subscription and a new subscription to Mobile TIM will be effective November 21, 2008.
Addendum
Article 1 (Effective Date)
Smart Pack, information security, confirmation service before the reception, relief number service, well-being call, 3-person calling service New subscription restrictions will be effective from November 26, 2008.
Addendum
Article 1 (Effective Date)
The amendment to the restriction on changes to contracts, the restriction on the application for foreigners’ use, and the change of the required documents will be effective from January 2, 2009, and the date-perfect ban will be removed and all family members will be changed from January 8, 2009
Addendum
Article 1 (Effective Date)
It will be effective January 15, 2009.
Addendum
Article 1 (Effective Date)
Overseas SMS blocking for subscribers of the limit plan system will be effective from January 21, 2009.

Addendum
Article 1 (Effective Date)
These Terms will be effective from February 9, 2009. However, confirmation of the usage fee through T WORLD SMS before the reading of the call history or authorization of official authentication is effective from March 5th.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 19, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective March 24, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective April 1, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective April 10, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective May 1, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective May 20, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective June 1, 2009.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will take effect on June 3, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective June 15, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective July 27, 2009. However, the regulations for exemption from the rate reduction subject to the next level according to the Infant Child Care Act and the Infant Education Act will be effective from July 1, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective August 1, 2009.
Addendum
Article 1 (Effective Date)
These Terms will be effective August 11, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective October 1, 2009.
However, from August 21, 2009, regulations on notification of illegal copy detection will be enforced on September 1, 2009, including the fee reduction subject to the next level according to the Infant Care Law and Infant Education Law.
Addendum
Article 1 (Effective Date)
These terms will be effective November 1, 2009.
However, as of January 1, 2010, new / withdrawn subscription due to the simplification of the tariff plan will be effective from November 30, 2009, for the amendment related to Free Holiday and subscription fee, and December 1, 2009, From the date, [Attachment 1] 5. Roaming service b) International automatic roaming service sector will be effective from September 28, 2009.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 4, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective December 16, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective from December 28, 2009.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 1, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective March 1, 2010.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 10, 2010.
Addendum
Article 1 (Effective Date)
These Terms will be effective April 9, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective from May 1, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective from May 4, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective June 1, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective July 19, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective August 26, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective September 16, 2010
Addendum
Article 1 (Effective Date)
These terms will be effective October 1, 2010.
However, Japanese roaming data unlimited, SMS500 rate plan, T roaming Wi-Fi related issues will be effective October 15, 2009.
Addendum
Article 1 (Effective Date)
These terms will be effective October 11, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective October 26, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective November 1, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective from December 1, 2010.
Addendum
Article 1 (Change and replacement of some terminal settings of 95A / B due to frequency recovery and relocation of 800MHz according to the frequency recovery and relocation plan in accordance with relevant laws and regulations such as the Radio Law)
① Company will stop service at 95A / B terminal using frequency only at 24:00 hours on June 30, 2011 according to 800MHz frequency relocation (partial return).
② The Company shall restrict the use of the services of the following subparagraphs to 95A / B terminals that use the frequency in accordance with 800MHz frequency relocation
1. Subscription and re-entry of terminals that can not be changed to 95AB-type terminals corresponding to 800MHz frequency plantation area (partial return). However, a terminal capable of changing the terminal setting can newly join and re-enter after changing the setting
2. 95AB method terminal corresponding to 800MHz frequency re-allocation (partial return)
(3) The customer who is in the state of being in the state of being in a state where the terminal setting change or the terminal is not in the state of being opened, in the state of being suspended, or in the suspended state at the time of stopping the 95AB system service using only the corresponding frequency by the 800MHz frequency relocation The company terminates the service use contract.
④ 95A / B terminal using only the corresponding frequency according to 800MHz frequency reallocation (partial return) From the 7th day after the announcement of service termination to 95A / B terminal using the corresponding frequency from the time of service termination, Shall follow the following paragraphs.
1. Conversion place: SK Telecom branch and event agency
2. Target of conversion: Individuals and corporate customers who use 95AB-type terminal corresponding to 800MHz frequency plantation area (partial return) (except for customers who are suspended or have not paid in advance at the time of terminal setting change or replacement)
3. When replacing the terminal, return the existing 95A / B phone (including a main unit, battery, charger).
4. Other specific conversion procedures are in accordance with the ‘800MHz frequency recovery, 95A / B 95A / B some terminal setting change and replacement processing instructions’
⑤ When the company judges that it is necessary to change or modify the terminal due to the change of the equipment, the customer must respond accordingly and the company shall purchase the terminal and necessary parts (excluding parts not related to the use of hands- We will support all or part of the expenses as determined by the Company.
Addendum
Article 1 (Effective Date)
These Terms will be effective from December 13, 2010.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective January 14, 2011.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective February 14, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective March 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective March 9, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective March 16, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective from May 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective June 1, 2011.
Addendum
Article 1 (Effective Date)
These Terms will be effective from July 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective from August 1, 2011. However, the PPS rate reduction will start from July 31, 2011, and T roaming data will be unlimited. One Pass will be expanded from August 3, 2011 to PPS (2 kinds), new customized rate plan, free TB-free family 2-line broadband internet will start from August 16, 2011, and the selective single rate will be effective from September 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective September 16, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective November 12, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective November 30, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective December 16, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective from December 30, 2011.
Addendum
Article 1 (Effective Date)
These terms will be effective January 6, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective January 13, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective from February 8, 2012.
Addendum
Article 1 (Effective Date)
These Terms will be effective from February 10, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective February 29, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective March 13, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective March 16, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective March 21, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective April 3, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective April 21, 2012.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 11, 2012.
Addendum
Article 1 (Effective Date)
These Terms will be effective from May 18, 2012.
Addendum
Article 1 (Effective Date)
These terms and conditions will take effect on May 24, 2012. However, the OMD will be enforced on June 1, 2012, and the OEM will be enforced on November 1, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective June 1, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective July 1, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective July 8, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective July 15, 2012.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will be posted on July 22, 2012
Addendum
Article 1 (Effective Date)
These terms will be effective July 27, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective August 1, 2012.

Addendum
Article 1 (Effective Date)
These terms will be effective August 9, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective August 28, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective August 31, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective September 11, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective September 20, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective September 30, 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective from December 2012.
Addendum
Article 1 (Effective Date)
These terms will be effective February 2013.
Addendum
Article 1 (Effective Date)
These terms will be effective March 22, 2013.
After 1 year from the launch of ‘T-fare plan’, ① the company’s monthly average LTE subscriber share is over 50% in the LTE service market, and ② the net addition of ‘T-fare plan’ If the proportion of subscribers exceeds 50%, recruitment of new subscribers may be discontinued.
Addendum
Article 1 (Effective Date)
These terms will be effective April 2013.
Addendum
Article 1 (Effective Date)
These terms will be effective May 2013.
Addendum
Article 1 (Effective Date)
This Agreement will be enforced in June 2013.
Addendum
Article 1 (Effective Date)
These Terms and Conditions will take effect July 2013.
Addendum
Article 1 (Effective Date)
These terms will be in effect from August 2013.
Addendum
Article 1 (Effective Date)
These terms will be effective September 2013.
Addendum
Article 1 (Effective Date)
These terms will be effective October 2013.
Addendum
Article 1 (Effective Date)
These terms will be in effect from November 2013.
Addendum
Article 1 (Effective Date)
These terms will be in effect from December 2013.
Addendum
Article 1 (Effective Date)
These Terms will be effective March 11, 2014.
Addendum
Article 1 (Effective Date)
These terms will be effective July 14, 2014.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2014.
Addendum
Article 1 (Effective Date)
These terms will be effective October 1, 2014.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 18, 2014.
Addendum
Article 1 (Effective Date)
These terms will be effective February 3, 2015.
Addendum
Article 1 (Effective Date)
This Agreement will be effective March 17, 2015.
Addendum
Article 1 (Effective Date)
These terms will be effective May 6, 2015.
Addendum
Article 1 (Effective Date)
These terms will be effective May 20, 2015.
Addendum
Article 1 (Effective Date)
These terms will take effect on July 1, 2015.
Addendum
Article 1 (Effective Date)
This Agreement will be effective August 1, 2015.
Addendum
Article 1 (Effective Date)
These terms will be effective September 23, 2015.
Addendum
Article 1 (Effective Date)
This Agreement will be effective from December 22, 2015.

Addendum
Article 1 (Effective Date)
These terms will be effective February 4, 2016.
Addendum
Article 1 (Effective Date)
These terms will be effective April 1, 2016.
Addendum
Article 1 (Effective Date)
These terms will be effective September 1, 2016.
Addendum
Article 1 (Effective Date)
These terms will be effective November 9, 2016.
Addendum
Article 1 (Effective Date)
These terms will be effective January 1, 2017.
Addendum
Article 1 (Effective Date)
These terms will be effective January 26, 2017.
Addendum
Article 1 (Effective Date)
These terms will be effective February 13, 2017.
Addendum
Article 1 (Effective Date)
These terms will be effective March 1, 2017.