1 GB Internet in South Korea - 7 Days
How to Use Your 1 GB eSIM in South Korea
Purchase & Receive Your QR Code
The moment you buy your South Korea 1 GB plan, your QR code lands in your inbox and dashboard.
Install the eSIM
Go to Settings ā Mobile Data ā Add eSIM and scan the QR code. Stay on Wi-Fi while you install.
Activate & Connect
Switch on the eSIM South Korea data plan in your settings - it'll connect to the network automatically. Already abroad? Turn on Data Roaming.
You're Online!
You've got 1 GB of data for 7 days in South Korea. Keep your primary SIM switched on if you still need calls and SMS.
Important Notes
- ā¢Install your South Korea eSIM before your trip, while you still have Wi-Fi.
- ā¢Your device must be eSIM-compatible and carrier-unlocked.
- ā¢Each QR code can only be scanned once - don't delete the eSIM after installing it.
South Korea eSIM - Frequently Asked Questions
Support
Need help? Our team is online 24/7 in multiple languages.
Buy eSIM Data Packages Worldwide
Why Travelers Choose an eSIM for South Korea
Heading to Seoul, Busan or a Jeju Island holiday? A South Korea eSIM connects to SK Telecom, KT (Korea Telecom) or LG U+ the moment you land at Incheon (ICN), Gimpo (GMP) or Jeju (CJU) ā no KT Olleh counter queue at Incheon, no passport registration at a Seoul mobile shop. Activate a plan in two minutes, scan the QR code, and you're online for Seoul subway navigation, booking Gyeongbokgung hanbok rentals, or uploading Myeongdong street-food reels from a sizzling barbecue stand. Choose a 7-day 3 GB plan for a Seoul + Busan long weekend, a 30-day 10 GB plan for a full South Korea tour including Jeju and Gyeongju, or South Korea eSIM unlimited data for longer digital-nomad stints in Seoul's Hongdae or Gangnam.
eSIM vs Korean Tourist SIM ā Which Works Best in Seoul?
Korean carriers (SK Telecom, KT, LG U+) sell tourist SIMs at Incheon airport, but a South Korea eSIM activates before landing and skips the passport registration that Korea's real-name telecom system applies to physical SIMs.
| eSIM | KT Olleh Tourist SIM | |
|---|---|---|
| Setup time | ā 2 minutes (QR scan) | 15ā30 minutes (Incheon counter) |
| Cost | from ~$0.50/day | KRW 25,000ā50,000 (~$19ā38) tourist pack |
| Real-name register | none | required under Korean telecom law |
| 5G coverage | SK Telecom / KT 5G Seoul & Busan | same carriers |
| Jeju coverage | all carriers strong | same |
South Korea eSIM FAQ ā Seoul Coverage, SK Telecom/KT 5G & Jeju Travel
Which is the best eSIM for South Korea?
The best eSIM for South Korea depends on your trip ā a 7-day 3 GB plan covers a Seoul + Busan long weekend with Gyeongbokgung, Myeongdong and Gamcheon Culture Village, a 30-day 10 GB plan fits a full South Korea tour including Jeju and Gyeongju, and South Korea eSIM unlimited data suits digital nomads in Seoul or longer Jeju workation stays. Our South Korea eSIMs run on SK Telecom, KT and LG U+ ā all of which offer top-tier 5G in Seoul, Busan and on Jeju.
Does a South Korea eSIM include a phone number?
Our standard South Korea eSIM is data-only, so your home phone number stays active for WhatsApp, KakaoTalk, iMessage and home-country 2FA. For SMS-based Korean services (KakaoPay verification, some Korean banks, Naver account recovery), you would need a physical Korean SIM with a Korean phone number ā which requires passport real-name registration under Korean law. For tourist use (T-money top-up via app, Naver Maps, Papago translation), a data-only eSIM is all you need.
Does a South Korea eSIM support 5G in Seoul and Busan?
Yes ā South Korea has one of the most mature 5G networks in the world, and our South Korea eSIM runs on SK Telecom 5G, KT 5G or LG U+ 5G. iPhone 12+, Samsung S21+, Pixel 6+ and most 2021+ Android flagships will hit 5G speeds (300ā800 Mbps) in Seoul, Busan, Incheon and Jeju City. Elsewhere you fall back to 4G/LTE at 50ā150 Mbps ā still faster than most home broadband.