Visiting Korea··16 min
Which SIM should you buy at Incheon Airport? Start with whether you need a Korean number
Counter locations and hours by terminal, what Korea's 2026 identity check means for a passport holder, and the four cases where each product wins
Data-only and an unlocked eSIM phone? Buy the eSIM before you fly. Get a physical SIM at the arrival hall only if something in Korea actually has to text or call you.