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Korea, Republic of
Korea SIM for International Students | KT 4G LTE Unlimited Data with Voice & SMS
Korea 🇰🇷
Product Code: unldcspp
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Voucher and the confirmation email will be sent within 1 minute.
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Korea SIM for international students and language school beginners. LG U+ 4G LTE unlimited data SIM with voice and SMS, quick activation with passport. Supports Korea real-name verification for banking, delivery apps, and school services.

Options

Pick up at LINK KOREA office

Ticket Validity : Ticket is valid only on the departure date.
From
29,040
* The amount is subjected to the payment page.

Extra days (For current users only)

Ticket Validity : Ticket is valid only on the departure date.
From
10,000
* The amount is subjected to the payment page.

The Highlight

📶 Max. 20% OFF Unlimited 4G LTE — Choose from Three Plans, Up to 180 Days A top choice among international students. Pick the plan that fits your needs and never worry about running out of data again.

📞 Voice + SMS Included — Perfect for School, Banking & Daily Use Unlimited domestic calls and SMS. Receive school notices, banking verification codes, and all important messages instantly.

🛂 Immediate Activation for Foreigners — Passport Registration OK! New students can start using it right after arrival. No complicated steps—get connected on the same day.

Supports Korean Real-Name Verification — Full Access to Korean Services With a Foreign Registration Card, you can complete real-name verification and use banking apps, delivery apps, school platforms, and more.

The Experience

💡Comparison

🌈PlansBasic Plan 300MB🟢Value Plan 15GB🟣Premium Plan 10GB+🔵📌Memo
📶30-day Basic Data Limit300MB15GBAfter 10GB -> Daily 2GBAfter exceeding the basic data allowance, the speed will be reduced to 3Mbps with unlimited data
📞Voice & SMSUnlimited100 mins.+100 SMSUnlimitedFree for receving calls & SMS
💸Monthly Top-up Amount36,300 KRW39,600 KRW58,500 KRW

📋Duration

  • Available in 30-day units, The minimum plan is 30 days, and you can purchase up to 180 days. 📍 If you need to use it for over 90 days, you must visit in person with your Foreign Residence Card within 90 days after activation to complete real-name verification. 🚨 If real-name verification is not completed, the service will automatically stop after 90 days, and unused days and credits are non-refundable.

🟢Plan 1: Basic Plan 300MB + Unlimited Data at Reduced Speed

📶Mobile Data

  • 30-day Data Limit : 300MB
  • Data speed will be throttled to 3mbps* after 300MB with unlimited data, until 30-day plan ends 🚩3mbps = Able to watch 720P Video or for daily use

📞Voice & SMS

  • Local Outgoing Calls & SMS : Unlimited
  • Incoming Calls & SMS : Free of charge

🟣Plan 2: Value Plan 15GB + Unlimited Data at Reduced Speed

📶Mobile Data

  • 30-day Data Limit : 15GB
  • Data speed will be throttled to 3mbps* after 15GB with unlimited data, until 30-day plan ends 🚩3mbps = Able to watch 720P Video or for daily use

📞Voice & SMS

  • Local Outgoing Calls & SMS : 100 mins. / 100 SMS
  • Incoming Calls & SMS : Free of charge
  • If you have reached the above limits, extra fees will be charged from your remaining credits and will shorten the validity of your SIM card.
  • Extra fees : Outgoing calls - 1.98KRW per sec. / 22KRW per SMS

🔵Plan 3: Premium Plan 10GB+ with Unlimited Data at Reduced Speed

📶Mobile Data

  • 30-day Data Limit : 10GB and extra 2GB provided everyday
  • Data speed will be throttled to 3mbps* after the extra 2GB with unlimited data, until 30-day plan ends 🚩3mbps = Able to watch 720P Video or for daily use

📞Voice & SMS

  • Local Outgoing Calls & SMS : Unlimited
  • Incoming Calls & SMS : Free of charge

🆔 Real-Name Verification Application

📍 If you activated your SIM with a passport and need to use it for more than 90 days, you must visit our office within 90 days of activation with your Foreign Residence Card (FRC) to complete real-name verification. 🚨 If real-name verification is not completed, the service will automatically stop after 90 days, and unused days and credits are non-refundable.  

  • How to Apply: The user must visit our office in person during business hours.  
  • Required Documents: Foreign Residence Card (FRC), passport

📝Others

  • Service Provider:KT(MVNO)
  • Coverage:South Korea(Jeju Island Included)

💬Online C/S center

  • 🕘 Opening Hours:(KST) 09:00-17:00(Mon-Fri)/ Lunch:12:00-13:00
  • Close during weekends and Korea Public Holidays
Messengers💬URL🌐
KakaoTalkhttp://pf.kakao.com/_skLbu/chat
LINEhttps://page.line.me/iop9701c
WhatsApphttps://wa.me/message/R7WRWPD6T67UM1

Guide Services

Language in Printed Materials (Booklet)

  • English
  • Traditional Chinese
  • Japanese
  • Korean

Price Details

SIM card fee
30-day Local calls & SMS (according to different plans)
30-day unlimited data (according to different plans)
Tips
Insurance
International Calls & SMS (Outgoing)

How to Use

  • Voucher will be sent via email. Please show your e-voucher along with your passport or Foreigner Residence Card(ARC) at the designated location.

Purchase Notice

Phone number activated with passport

  1. NO ID VERIFICATION AVAILABLE
  2. If you have left Korea for vacation(less than 3 weeks) and re-visit Korea again, your number will temporarily stopped by the service provider automatically. Please contact us to reactivate your service after you have arrived Korea.
  3. If you have left for more than 3 weeks, the number will be permanently cancelled by the service provider without any notice.
  4. Refund will not be arranged for the days that you did not used.

Phone number that had linked to Foreign residence card (ARC)

  1. If you have left Korea for vacation and re-visit Korea again, your number will be still useable.
  2. Once your residence card has became invalid and left Korea. When you re-visit, both the phone number and ID verification cannot be used again.


  • If your phone was bought in the U.S. / Japan / Canada / Austria, please make sure it has been unlocked for using foreign SIM cards.

  • Please reconfirm the pick up point before buying this SIM card. This product is only available to redeem at Link Korea Office

  • Remaining credits will not be refunded once the SIM card is no longer valid.

  • A text message of the remaining period of use and voice credits will be sent automatically (After you have made a call)

  • If you are using a phone which is not supporting KT LTE frequency, 3G signal will be showed. Please note that refund or exchange will not be accepted under this situation.

  • The SIM card and phone number cannot be re-used once it has expired.

Important Booking Information

Phone number activated with passport

  1. NO ID VERIFICATION AVAILABLE
  2. If you have left Korea for vacation(less than 3 weeks) and re-visit Korea again, your number will temporarily stopped by the service provider automatically. Please contact us to reactivate your service after you have arrived Korea.
  3. If you have left for more than 3 weeks, the number will be permanently cancelled by the service provider without any notice.
  4. Refund will not be arranged for the days that you did not used.

Phone number that had linked to Foreign residence card (ARC)

  1. If you have left Korea for vacation and re-visit Korea again, your number will be still useable.
  2. Once your residence card has became invalid and left Korea. When you re-visit, both the phone number and ID verification cannot be used again.


  • If your phone was bought in the U.S. / Japan / Canada / Austria, please make sure it has been unlocked for using foreign SIM cards.

  • Please reconfirm the pick up point before buying this SIM card. This product is only available to redeem at Link Korea Office

  • Remaining credits will not be refunded once the SIM card is no longer valid.

  • A text message of the remaining period of use and voice credits will be sent automatically (After you have made a call)

  • If you are using a phone which is not supporting KT LTE frequency, 3G signal will be showed. Please note that refund or exchange will not be accepted under this situation.

  • The SIM card and phone number cannot be re-used once it has expired.

Cancellation Policy

Number of days prior to departure / Cancellation fee
  • Cancellation made at least 1 day(s) before departure date, Fully refundable (100% refund)
  • Cancel on activities date, Non-refundable (0% refund)

Location

Redeem Point Info

LINK KOREA Office
서울시 중구 퇴계로12길 42
Note:
Subway Line 4 - Hoe-Hyeon Station Exit 1 nearby
- 3-min walk from Exit 1 to Link Korea
- 2/F of the building
LINK KOREA Office-0
Business Hours
Monday
09:00 ~ 23:59, and last entrance before 16:45
Tuesday
09:00 ~ 23:59, and last entrance before 16:45
Wednesday
09:00 ~ 23:59, and last entrance before 16:45
Thursday
09:00 ~ 23:59, and last entrance before 16:45
Friday
09:00 ~ 23:59, and last entrance before 16:45
More
Lunch : 12-13pm / Close on weekends and Korea public holidays.

Korea SIM for International Students | KT 4G LTE Unlimited Data with Voice & SMS

Link Korea - SIM, eSIM & Pocket WiFi
Privacy Policy
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Terms of Service
Contact Us
linkkorea@linkkorea.co.kr
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퇴계로12길 42, 2층, 중구, 서울 , Korea, Republic of
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Contact Us

Business Registration No. : 498-88-00210

Representative : LEE, KwangTaek

통신판매신고번호:

제 2022-서울중구-0675 호

Address :

2/F, 42 Toegye-ro 12-gil, Chung-gu, Seoul

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