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How to Activate

Korea SIM Card


How to Register your SIM Card

1. Go to "sim.ktmmobile.com"(in free WiFi), submit information and finish registration.

SIM Card  

USIM Number and Mobile Number are printed in a sticker on this
manual or on the SIM itself.


When you upload the image of your passport, make sure that your
photo and passport number are clearly shown.
(If not, you might have to upload it again.)

Your SIM card will be activated 60 minutes after your registration. If you register after the working hours, activation process
will be completed after 9 am on the next day.
Operation hours: Mon-Fri (9AM~8PM), Weekend&Holiday (10AM~8PM), (7 days a week)

2. Insert your SIM card into your phone. (Be cautious of the SIM size in your phone.)

3. Set your phone, following steps written below.

Settings, Airplane mode off, Wi-Fi off, Data Network on, Repeat to turn on and off the power about 4-5 times Power on / off  

How to Solve Internet Related Problems

If your internet doesn’t work even after the activation is completed, follow this step.

Android Phone

[Settings] → [Wireless and Networks] → [Mobile Networks] → [Access Point Names] →
[New APN] → input the values on the right rectangle → choose [KT] → restart

Name: KTM
APN: alwayson.ktfwing.com
MMSC: http://mmsc.ktfwing.com:9082
MCC: 450

Iphone (before Iphone6)

1[Setting] → [General] → [Reset] → [Reset Network Settings]

2[Setting] → [Carrier] → Turn off [Automatic] → Press [KT] network → restart

After Iphone6 (including Iphone6)

1(under WIFI condition) go to “www.unlockit.co.nz” → click “Create APN”

2Country : Korea → Carrier : KT → click “Create APN”

3“Install Carrier APN” appears → restart


  • Before using the SIM card, register your card through the mobile website. (sim.ktmmobile.com)
  • All LTE or WCDMA country unlock phones from overseas are available.
  • This SIM card must be inserted in '1st SIM slot' supporting LTE in case of dual SIM phone.
  • This SIM card is valid for maximum 30 days after your registration.
    (Even in case of all credit used up, you can still answer call and receive messages for free for scheduled 30 days. It will not be cut off.)
  • Activation with Korean Passport is unavailable.
  • Korean SKT 3G(WCDMA) phones can be used (however, MMS or other additional services may be limited).
    And SKT 2G and all LGU+ phones can not be used.

Statement for Private Policy

kt Mmobile company stores and uses your private information in order to activateSIM card and solve customer's consultative problems.
It will be never misused or disclosed.

To Make International Calls

Dial 00345 → Enter Country Code → Enter Area Code → Enter Telephone No.

To Make International Calls  

Customer Center

Please do not hesitate to contact us for any further questions.

about Purchase or Pick-up : Leave messages in the Product Q&A corner.
(Your inquiries are responded as checked during the business hours)

about Product, Service, or Register

  1. · Free : 080-770-0114 (on any phone)
    · Charged : 1899-6283 / 070-4906-6283
  2. · Operation Hours (7 days a week)
    Monday to Friday : 9AM ~ 8PM
    Weekends & Holidays : 10AM ~ 8PM
Korea SIM Card