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KT 4G LTE Unlimited Data SIM Card Recommended New 적립금

Basic Information
Product KT 4G LTE Unlimited Data SIM Card
Price $22.00
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KT 4G LTE Unlimited Data SIM Card

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Total(Quantity) : 0 (0 item)
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The very 4G LTE unlimited data SIM sold the most in Korea

Order now and get kt(Korea Telecom) unlimited data SIM at the lowest price.

Service Information

  • Korea Telecom, the Most Reliable Mobile Service in Korea
  • No need to worry about disconnecting issue
  • 4G LTE everywhere in Korea with your own Smartphone
  • Tethering(hot spot sharing) available
  • Voice talk available through messenger
  • Everyone who has a passport including Koreans can use.
  • Compatible with all Smartphone (support all the SIM types)


unlimited data

  •  5 days     US$ 25 -> US$ 22 (10% OFF)
  • 10 days     US$ 35 -> US$ 31 (10% OFF)
  • 30 days     US$ 65 -> US$ 57 (10% OFF)

Purchase Procedure

  • Check if your smartphone is unlocked.
  • Order and Pay in this page until 15:00 (GMT+09:00) of 1 days prior to the pick-up date.
    The order that wants pick-up date is
    Sunday or Monday must be finished until Friday 15:00.(GMT+09:00)
  • Take the voucher(Order Summary by email) and passport to the pick-up place and receive the product on the day you designated.


  • Compatible with unlocked LTE or WCDMA phone
  • You can enjoy LTE with the phone which supports Band1(2.1GHz), Band3(1.8GHz) and Band8(900MHz).
    Otherwise, 3G will be applied.
  • Orders, Changes and Cancels can be made on your order until 15:00 of one days prior to the pick-up date.
    If pick-up date is Sunday or Monday, it must be finished until Friday 15:00.(GMT+09:00)
  • On the activation, the valid period begins to count down. (Extention of the assigned valid period is impossible.)
  • If you want to use the SIM with voice call, please ask to the staff at the pick up desk.(Deposit money or credit card open needed)
  • If some errors happen with SIM, you can change it at the pick up desk.

Where to Pick-up

You can choose your option among below according to your flight landing airport. Please visit the kt roaming desk on the arrival floor.

  • Incheon Int'l Airport
  • Gimpo Int'l Airport
  • Gimhae Int'l Airport
  • Busan Harbor
  • Jeju Int'l Airport

Customer Center

  • About Purchase or Pick-up
  • email : cs@prepia.co.kr
    facebook ID : krsim
    (Your inquiries are responded as checked during the business hours)

  • Call at the Pick-up Site
  • Demestic : 1588-0608(pay)
    Overseas : +82-2-2190-0901 (Free at kt mobile phone)

How to Solve Internet Related Problems

If your internet doesn’t work even after the activation is completed, follow this step.
Insert the SIM first while the mobile phone is turned off and turn the power on afterwards.
Set WiFi OFF / Airplane mode OFF / Data Network ON and set the APN.


[settings] → [Wireless and Networks] → [Mobile Networks] → [Access Point Names] → [New APN] → input the values on the below rectangle → [KT] select → restart


① Safari www.unlockit.co.nz → Click “Create APN”
② Country : Korea → Carrier : KT → Click “Create APN”
③ “install Carrier APN” appears → restart

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