SIM Card or eSIM in Korea? A First-Time Visitor’s Guide to Staying Connected You have landed in Korea, collected your luggage, and walked into the arrival hall. Now you need to find your hotel, check the train route, message someone, or call a taxi. There is one problem: You need internet access. For most international visitors, there are three practical ways to stay connected in Korea: eSIM → Physical SIM Card → International Roaming There is no single best choice for everyone. The right option depends on your phone, your trip length, whether you need a Korean phone number, and how much setup you want to do after landing. This guide explains the differences so you can choose before you urgently need your phone. SIM Card vs eSIM vs Roaming: The Short Answer If your phone supports eSIM and you mainly need mobile data, an eSIM is often one of the easiest options to consider. You can arrange it before departure and avoid changing the physical SIM card in...