eSIM
Fast setup with no physical swap. Confirm that your unlocked phone supports it.
Stay connected
Korea SIM & eSIM Guide
The best option depends on phone compatibility, trip length and whether you need a Korean phone number.
Physical SIM
Useful for compatible unlocked phones and plans that include a local number.
Portable Wi-Fi
Can connect several devices, but adds a battery-powered item to carry and return.
Roaming
The simplest option when your home carrier offers a reasonably priced package.
Before buying
- Confirm your phone is carrier-unlocked.
- Check eSIM support by exact device model.
- See whether voice/SMS or a Korean number is included.
- Read activation timing and refund conditions.
Do not remove your existing SIM profile until you understand how your phone manages dual SIMs and account authentication.
Editorial review: 1 September 2026. Time-sensitive details such as hours, prices, access rules and reservations must be confirmed with the official venue or transport operator before travel.