KT M-Mobile | Can I stop the cell phone and SIM separately when paused?
When paused, it is impossible to stop each cell phone and USIM, and they are stopped together.
KT M-Mobile | How many lines can I sign up for? kt m모바일 일시정지
1. Number of personal mobile phone lines
1) Minors – up to 1 line for the person himself/herself + up to 2 lines for the legal representative
2)General – Up to 4 lines per person 윤과장의 소소한 일상 이야기
2. The number of lines available for mobile phone service under the corporate name
1) Public institutions/special organizations/general/non-profit – Maximum 5 SIM lines + different terminal credit ratings
3. Foreigner
1) Max. 2 lines
Depending on your credit rating, there may be situations where you cannot sign up, so you can check the details after filling out the signup application.
KT M-Mobile | Can I recharge if I use up the basic supply in ON with data?
yes it is possible
Depending on the additional service you have subscribed to, if you have used up all of the provided amount, you can subscribe and use additional recharge products through the customer center. (can be charged up to 3 times)
※ If you are roaming, contact the customer center
※ Consultation is available based on domestic business hours (09:00~12:00 / 13:00~18:00).
KT M-Mobile | There is an overdue amount on the statement, but the actual overdue amount inquiry confirms that there is no unpaid amount. which one is correct?
Payments made after the 3rd of each month will not appear on your bill.
If you have paid the unpaid bill after 3 days, it will be confirmed that there is no unpaid amount when you inquire about the unpaid amount, and the information at the time of inquiry, not the bill, is accurate.
KT M-Mobile | What should I do to self-open?
Self-opening (Koreans) subscription route
1. Consultation menu → USIM → Self-opening → Click ‘Start self-opening’ and fill out the application form
2. Select subscription type ‘number portability’ or ‘new subscription’
3. Select service type ‘LTE’ or ‘5G’
4. After selecting a rate plan, click ‘Select rate plan’
5. After clicking ‘Register’, ‘Register as a non-member’ or ‘Register after logging in’
6. After authentication, click Confirm Opening Check to proceed to the next step.
■ Self-opening available hours:
– New registration: 09:00~21:00
– Number portability: 10:00~19:00 (except Sundays, Lunar New Year’s Day/Chuseok)
※ Self-opening requires identification, credit card, universal public certificate, PASS+ account, and Naver certificate authentication.
※ 5G self-opening is only available for ‘number transfer’, and for new subscriptions, please use the online subscription application.
View the self-opening guide:
Source KT M Mobile Frequently Asked Questions