Y CONNECT KOREA
eSIM (Data, Call, SMS)
You can choose the usage period of 2/3/4/5/6/7/8/9/10/15/20/30/60/90 days.
You can enjoy unlimited high-speed LTE data
at up to 100Mbps as soon as you arrive in South Korea.
visit the SKT roaming center at the airport to verify passport and top up for voice/texts.
Why choose the YCK eSIM (Data, Call, SMS)?

Enjoy unlimited 100Mbps data + voice/text available !
Service Product | YCK eSIM (Data, Call, SMS) |
---|---|
Service Provider | SK Telecom |
DATA | Unlimited (LTE 100Mbps) |
Korea Mobile Number | 010 Provided (*You can know 010 number in advance from QR code email) |
Incoming Voice/Text | Free |
Outgoing Voice/Text |
Available
|
Charge Voice/Text |
Available
|
Extension | Not available (You can place an order for a 60 days or 90 days plan with 50% off) |
Section | Voice calls | Text messages |
---|---|---|
Domestic (Korea ➔ Korea) |
4.4 KRW/second |
All SMS: 33 won/par message LMS/MMS: 110 won/par message |
International (Korea ➔ International) |
Rates vary depending on the country |
All SMS:165 won/par message MMS: Unable to send |
Reception | Free of charge |
Charge amount | ₩5,500 | ₩11,000 | ₩22,000 | ₩33,000 | ₩55,000 |
---|---|---|---|---|---|
Minute | About 20 minutes | About 40 minutes | About 80 minutes | About 120 minutes | About 200 minutes |
When the charged balance is exhausted, the data can be used continuously during the eSIM/USIM usage period without interruption.
Summer Special! Get 5% Off
No currency exchange fee when you pay in USD from the U.S.
Choose the usage period that matches your travel schedule!
eSIM Order & Setup Process (Data only)

② Choose usage period by travel dates

2. Installation guide email
② Prepare with eSIM installation guide

② Install the eSIM on your phone

Activate eSIM
② Restart your phone 3 times
For those who want to use voice and text
Online Passport Information Verification/Charge available!
Foreign passport holders conveniently can complete the passport information verification and charge online after entering South Korea.
- ※ Foreign passport holders only can use online passport information verification.
- ※ A passport issued by the Republic of Korea cannot be used for passport information verification.
- ※ Data is available for use regardless of whether or not the passport information has been verified.
- ※ This product is intended for short-term travelers to Korea (within 90 days).
- ※ Long-term travelers (staying 91 days or more) may face service restrictions.
Only foreign passport holders can use online passport information verification
every day between 8 AM and 10 PM after passing through South Korea immigration.
You can use to charge for outgoing voice/texts online after your passport information has been verified.
including detailed guidance on online passport verification and how to charge amount of Voice/Text.
Things to check before ordering eSIM
How to install eSIM
For voice and text services, visit the SKT roaming center at the airport
Please, check the location and working time before visiting the SKT roaming center.
■ Support tasks: SIM Card Pickup / Passoort Information Verification / Charge / Activation / Support
※ If there are many customers waiting at the SKT roaming center, you may be requested to charge for outgoing voice/texts online.
Customer's Review
FAQ - eSIM
How to check unlock
How to check eSIM
② If you phone does not support eSIM: It is recommended to order a USIM (Airport Pickup) product.
Considerations - YCK eSIM(SKT eSIM)
- YCK eSIM(SKT eSIM) is one of the most reliable mobile communication services and solutions in South Korea.
- To use this service, the country lock on your device must be turned off.
- Please contact your current telecommunications company to make sure that the country lock is off.
- You cannot request a cancellation or refund after sending the QR code of eSIM that you ordered.
- The usage period (2/3/4/5/6/7/8/9/10/15/20/30/60/90 days) will be calculated in 24-hour increments from the time you activate the eSIM on your phone.
- This eSIM QR codes can be scanned within one year after the order and it cannot be scanned after one year.
- The usage period of this eSIM cannot be extended. If you want to extend, you should order a new eSIM.
- If you delete the eSIM profile, you will need to order a new eSIM to use it.
- You can use mobile data calls such as KakaoTalk and FaceTime unlimitedly during the data usage period.
- This eSIM(Data only) can be used without the passport information verification.
- Incoming/outgoing voice calls and text messages are available after the passport information has been verified at SKT roaming center at the airport.
- You can receive calls and texts within Korea for free of charge, and outgoing call/texts are available upon recharge after ordering the eSIM/USIM.
- Foreign passport holders can complete the passport information verification procedure online after entering South Korea.
- Passport information verification is available for only one product per passport. (Passport information verification is not available for multiple products with one passport)
- Recharges for voice/text outgoing can be made within the validity period of the data product but cannot be made upon expiration.
- The unused charge balance within the usage period will expire at the end of the product's usage period.
- The maximum charge amount within the validity period is KRW 330,000. (VAT included)
- This eSIM is only available in Korea.
- Personal authentication services and text message receipt for payments are unavailable.
- This eSIM is intended for short-term travelers to Korea (within 90 days). Long-term travelers (staying 91 days or more) may face service restrictions.
- If fraudulent use is detected, the service will be suspended without prior notice. In this case, refunds are not available.
- Please send an email to contact@yconnectkorea.com for more questions and then we will get back to you.