Travelling to South Korea? A MobiSIM eSIM for South Korea gives you some of the world's fastest mobile data from arrival without needing a physical SIM card in one of Asia's most digitally advanced countries. Whether you are visiting Seoul, Busan, Jeju Island, Gyeongju, Incheon, Daegu, Suwon, or travelling to the DMZ, Seoraksan National Park, and the historic temples of Gyeonggi Province, MobiSIM provides mobile data for maps, transit apps, hotel bookings, restaurant searches, messaging, and travel updates. Choose a MobiSIM eSIM data plan for South Korea and get 4G/5G coverage where available through supported local networks. Activation is simple: after purchase, your QR code is delivered by email, then you scan it and follow the setup steps on your device. Your existing SIM can remain active for calls while MobiSIM provides data throughout your trip.
eSIM for South Korea — Instant 4G/5G Data Plans
100 plans available — from €3.49. Instant activation, no physical SIM required.
Useful travel information
A few details that help before and during your trip.
Mobile coverage in South Korea
South Korea's mobile network is served by three main operators: SK Telecom, KT, and LG U+. 4G LTE and 5G coverage is comprehensive across Seoul, Busan, Incheon, Daegu, and all major cities, with strong connectivity along KTX high-speed rail routes and main highway corridors. South Korea has one of the world's highest 5G penetration rates and urban network speeds are exceptionally fast. Jeju Island has excellent coverage across all main areas. Seoraksan and Jirisan national park areas have coverage in gateway towns with signal weakening on higher mountain trails and ridge routes. Even subway systems in Seoul and Busan have full underground coverage. MobiSIM connects through supported South Korean networks to deliver fast and reliable data throughout your stay.
