[USIM] Unlimited data + Call Enabled SKT eSIM Card
Instant ConfirmationTicket Options
- 1. Before authenticating your eSIM through our system, only data services will be available. To make outgoing calls, you must complete the authentication process and then top up your balance online.
- 2. Please ensure your roaming service is turned off before activating your eSIM.
- 3. Your phone does not have a built-in function to scan this QR code directly. Please either print your voucher or pre-register the QR code beforehand.
- 4. You can start using your eSIM immediately after registration. Please note that you will need a stable Wi-Fi connection to register your eSIM. We recommend registering before you depart or by using the free Wi-Fi available at the airport upon arrival.
- 5. Your eSIM will activate once your phone connects to the SKT network.
- 6. Each eSIM can only be set up on a single device. Once registered, it is not possible to transfer your eSIM to another device.
- 7. If you delete your registered eSIM profile, it cannot be re-recognized or recovered. Please be careful not to erase or delete your eSIM profile.
- 8. No refunds will be issued once the eSIM QR code has been sent to you.
- 9. You must activate your eSIM using the QR code within 60 days of receiving it (the QR code is valid for 60 days).
- 10. If your phone does not support SKT's LTE frequencies, it will display a 3G signal. Please be aware that in such cases, refunds or exchanges will not be possible.
- 11. If your phone has previously been activated in Japan, the United States, or Canada, you must contact your local provider in advance to unlock your phone before you can activate your eSIM. (However, this step is not necessary if you used a prepaid SIM card in those countries).
- 12. Should you encounter any issues with your product, please contact our online Customer Service Center.
- All sales are final.
Overview
Key Information
- This is an SKT eSIM, from one of Korea's top three mobile carriers.
- Enjoy unlimited 4G LTE data without worrying about usage!
- This eSIM product uses a QR code instead of a physical SIM card.
- Simply scan the QR code, sent to you in real-time after purchase, to start using it right away!
- Complete online identity verification to activate voice calls and text messaging (sending/receiving) services!
Description
※ SKT Server Maintenance Notice ※
- Schedule: January 15, 2025 (Wednesday) 23:00 ~ January 16, 2025 (Thursday) 05:00 KST
- Impact: eSIM QR codes cannot be scanned during the server maintenance period.
- Important: Please scan the eSIM QR code and download your eSIM in advance, before the scheduled maintenance time, while you are still in your home country.
- Upon arrival at a Korean airport:
- 1. Set “eSIM ON” and select “eSIM” for both data and voice usage.
- 2. Toggle Airplane Mode ON/OFF 6-7 times.

With SKT, Korea's leading mobile carrier, you can enjoy seamless internet access throughout South Korea.
Forget slow roaming SIMs! Enjoy a stable and incredibly fast 4G network from a local Korean carrier (SKT).
Get unlimited data and start using it immediately in Korea, no physical SIM card swap needed.
It's incredibly convenient – just scan the QR code and you're ready to go.
You can use it with peace of mind, as there's no risk of losing your home country's SIM card.
[About the eSIM]
- Carrier: SKT
- Validity Period: 3 days (72 hours) / 5 days (120 hours) / 10 days (240 hours) / 20 days (480 hours) / 30 days (720 hours)
- Data Allowance: Unlimited data at 100Mbps (no speed throttling based on usage)
- A Korean phone number (010 number), voice calls, and text messaging services can be activated after online identity verification.
[Check Phone Compatibility]
Click here for confirmation details: https://shorturl.at/bhyV1
[How to Use & eSIM Activation/Registration Process]
- After your purchase, the seller will send your eSIM within 24 hours. Please check your email for the voucher.
- Follow the instructions to register the QR code from the voucher on your device and start using it.
※ Before purchasing, please make sure your mobile phone supports eSIM.
Refunds and cancellations are not possible if your phone does not support eSIM after purchase.
[How to Activate and Use Your eSIM]
Click here: https://shorturl.at/bhyV1
USIM Call Function Activation Guide


- Authentication System Operating Hours: 08:00 - 22:00
- (※ You can access the authentication system one hour after your entry into Korea.)
[Voice Call and SMS Rates]
- Top-up Amounts: ₩5,500 / ₩11,000 / ₩22,000 / ₩33,000 / ₩55,000
- Domestic Call and SMS Rates: Voice Calls: ₩4.4/second, SMS: ₩33/message
- International Call Rates: Vary by country. (Japan / USA / Hong Kong / Taiwan: ₩990/minute; for other countries, standard international rates apply.)
Customer Service
LINK KOREA Office
Address: 2F, 42 Toegye-ro 12-gil, Jung-gu, Seoul
Public Transportation: Approximately a 3-minute walk from Hoehyeon Station (Line 4, Exit 1)
[Online Customer Service]
- KakaoTalk ID: linkkorea
- LINE ID: linkkorea
Operating Hours: Monday - Friday, 9:00 AM - 5:00 PM (Closed on public holidays, Saturdays, and Sundays)
Support available in Chinese, English, and Korean.

