Phones & maps

eSIM, SIM, Wi-Fi and the map apps that work here.

• eSIM, SIM Card or Pocket WiFi in Korea: Your OptionsFor most short trips, a carrier tourist eSIM is the simplest option: KT and SK Telecom both list unlimited-data eSIMs at ₩18,000 for 3 days (October 2026). Choose a physical SIM if your phone has no eSIM, or a pocket WiFi router if several devices will share one connection.Checked October 5, 2026
• Korea Plug Type and Voltage: 220V, Type C and FKorea uses 220 volts at 60 Hertz, and wall sockets take plugs with two round pins (Type C and Type F). As of October 2026, a phone or laptop charger rated 100-240V only needs a plug adapter, while a device rated 110V only also needs a voltage converter.Checked October 20, 2026