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Korea 4G LTE Prepaid SIM card Recommended New 적립금

Basic Information
Product Korea 4G LTE Prepaid SIM card
Price $26.90
수량 수량증가수량감소

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Your Best, Reliable Friend during Your Trip to Korea

the Most Reliable and Inexpensive Mobile Service in Korea

SIM card

KT Mmobile Prepaid SIM card

Are you planning a trip to Korea? The best communication solution during the trip!
Use Korea’s best 4G LTE prepaid SIM card that allows you to keep using your smartphone,
making calls, text messaging, and internet possible.

The very same product sold in tens of thousands
at three CUs in Incheon International Airport

You can buy it at a discounted price here
(and pick it up in three international airport; Incheon).

Excellent Convenience Compared
with the Other Solutions

Rental phones have a high rate to the home country. Roaming has a high rate for the Internet.
For these reasons, many chose to use Wi-Fi egg. However, have you checked out the reviews?
Wi-Fi egg... there are many inconveniences with the divice.

  • You cannot make urgent calls.
  • There are many places out of service unless you are in Seoul or Jeju.
  • You must turn on and off the device very often as the battery runs out fast and the device gets hot.
  • It does not turn on quickly.
  • Charging cell phone is already a hassle, but you also have to worry about the egg.
  • You have to make a security deposit, and return the device to have the deposit back.

Compare before Choosing!

Check if the calling rate to your home country is second-base.

kt Mmobile 4G LTE Prepaid SIM deducts at a second-base rate.

Other products are minute-based, charging 1 minute for a even 5 second call.

Check the number of minutes for calls to your home country. second-base.

kt Mmobile 4G LTE Prepaid SIM (1GB) provides up to 275 minutes of calls to the U.S.

1GB option from other brands only offer about 40 minutes.

Check if there is convenient dialing feature for overseas calls.

kt Mmobile 4G LTE Prepaid SIM conveniently connects your overseas calls by dialing 00345-(country code)-(phone number)

Other brand products require you to dial a designated phone number (080-xxxx-xxxx)
then choose a language and input phone numbers.

Check if overseas text messaging is available.

It is possible with kt Mmobile 4G LTE Prepaid SIM but not with other brand products.

Check if voice call and data deduction is combined.

kt Mmobile 4G LTE Prepaid SIM deducts voice calls and data combined, a flexible deduction that allows you to
use up given limit.

Other brand products deducts voice calls and data separately, and inefficient method for users.

KT Mmobile Prepaid SIM Card,
a must-have item for a trip to Korea!

  • Overseas text messaging and voice calls available 100% from anywhere in Korea
  • Completely use up the given data and minutes with combined deduction of voice calls,
    text messages, and the Internet
  • Convenient method of just switching the SIM card (you can do it yourself)
  • Keep using your address book and applications
  • The lowest rates available
  • Use Korea’s 010 mobile number (received calls and messages are free of charge)
  • Low price without a safety deposit

kt Mmobile Prepaid SIM Card Features

Korean NO. 1 Telecom Company

SIM card
SIM card

4G LTE 1GB (3in1)

compatible with all smartphones

$ 30.8 (price at Inchoen Int'l Airport)

13% off $ 2 6 . 9

SIM card

4G LTE 2GB (3in1)

compatible with all smartphones

$ 44.1 (price at Inchoen Int'l Airport)

12% off $ 3 8 . 9


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: KT
APN: alwayson.ktfwing.com
MMSC: http://mmsc.ktfwing.com:9082
MCC: 450
MNC: 08

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 WCDMA 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.

To Make International Calls

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

For the country code and the rate for international call click here.

To Make International Calls

How to Recharge

  • You can recharge here in this homepage.
  • Or you can also recharge at any convenience stores in South Korea in every convenience stores, like 7-Eleven, CU and GS25 nationwide 24/7.
  • Where to Recharge
  • Recharge will be finished at the moment and you will receive notification SMS message in real time.
  • KRW 10,000 / 500MB. Recharge amount is unlimited. All the payment methods are supported including almost all the international credit cards.
  • In case of top-up from CVS, 7-11 and GS25 has easier way which you can simply show your Korean phone number and pay the desired amounts to top-up. In case of any language issues, you can show below table to the reception staff.

  • CU has PIN code base top-up system. (customer top-up on their own) Once the staff is done processing, you will get a receipt with PIN codes printed (11 digits). Then call 080-013-0114 (for free) and follow the message on the line.

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.

Order and Payment

When ordering the product, indicate the pick-up date, the airport name,
your name (as on your passport), and your passport number
in the additional message box

Orders, Changes and Cancels can be made on your order until 15:00 of one days prior to the pick-up date.(GMT+09:00)

If pick-up date is Sunday or Monday, it must be finished until Friday 15:00.(GMT+09:00)


Please check the pick-up location, the open hours and your arrival time for pick-up availability.

It is recommended that you use the free Wi-Fi at the Incheon International Airport.

In case of an exchange, the purchaser is verified with his/her passport.

Uncollected products are held for up to 4 days from the designated pick-up date,
and can be picked up within the period. Uncollected products are not subject to a refund.

1) Incheon International Airport

On the designated date, pick-up the product at ‘Book Store’ located on the arrival floor of the Incheon International Airport. In front of the Exit 7, Millennium Hall, 1F of the Incheon International Airport.Open Hours : 8AM ~ 8PM (Open all year round; Phone: 032-743-0091)

Incheon International Airport

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

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