Choose your South Korea data plan
Prepaid mobile data. Install from email, with no app or account.
What your South Korea eSIM includes
Find your way, plan your next stop and keep in touch.
More networks, one eSIM
Connect to SKTelecom / LG Uplus for fast, reliable data across South Korea.
Set up before you travel
Install at home, connect in South Korea. Your plan starts on its first local connection, with 180 days from purchase to get started.
Install straight from your email
Open the installation link or scan the QR code in your email. No app, no account.
Check your balance and add data
See your remaining data and top up from your personal dashboard. Open it straight from your email.
Share your data by hotspot
Get your laptop, tablet or travel companion online with your phone’s hotspot.
Keep your usual number
Keep your regular SIM and messaging apps. Your travel eSIM takes care of the data.
How it works
Choose your plan
Choose your allowance and validity. Check that your phone supports eSIM and is unlocked.
Install from your email
Install using the link or QR code in your email while you have an internet connection.
Connect when you land
Select the eSIM for mobile data and enable data roaming on that eSIM. Your plan starts on its first connection in South Korea.
Coverage and performance
Access to
2 of 3
mobile operators in South Korea
SKTelecom / LG Uplus
| Your trip | What to expect |
|---|---|
| Seoul, Busan and beyond | Strong nationwide coverage for getting around, translating menus and keeping in touch. Download Naver Map or KakaoMap before your trip. |
| Jeju and rural trips | SK Telecom’s broad reach makes this a strong choice for Jeju and the countryside, with LG U+ access included too. |
| Mountain trails and tunnels | Remote terrain and some tunnels can interrupt local networks, including local SIMs. Save your trail route and tickets before heading out. |
Network details and sources
- Opensignal South Korea report, December 2025: SK Telecom leads coverage in populated areas and reliability; LG U+ leads 5G availability in the report’s carrier measurements.
Before you buy your South Korea eSIM
Plan details, setup and using your phone during the trip.
Ask us about your tripIt’s a data-only eSIM, so you can call and message through your favourite apps. A Korean number and standard calls or SMS aren’t included, including local-number verification codes.
Yes. Install at home over Wi-Fi. Your plan’s days start counting when the eSIM first connects in South Korea. You have 180 days from purchase to make that first connection.
You’ll have access to SKTelecom / LG Uplus, with 5G on compatible phones. Your connection speed depends on local coverage and network traffic.
Yes. SKTelecom / LG Uplus provide extensive coverage beyond the cities, so you can stay connected while exploring the countryside. Signal can vary in remote mountain areas.
Choose enough days for your trip, then an allowance to match how you use your phone. Maps and messages use less data than video or laptop hotspot use. Our South Korea data guide helps you pick.
Yes. Open your dashboard from the link in your email and choose a top-up. You’ll see the data, price and validity before buying. It goes on the same eSIM, so keep it installed.
Yes. Keep your regular SIM and use the travel eSIM for mobile data. Your messaging apps keep their existing accounts. Turn off data roaming and automatic data switching for your regular SIM; calls and texts on it use your usual carrier’s rates.
Install over Wi-Fi using the link or QR code in your email. On arrival, select the eSIM for mobile data and turn on its data roaming. Our South Korea installation guide walks you through it. Need a hand? Email support@travelsimasia.com.