A tourist eSIM may provide data only. A tourist line with calls and texts still does not pass Korea’s identity check (본인인증). Calls and texts turn on only after a passport check at an airport carrier counter. The line works only in Korea and expires within 90 days. If you are staying 91 days or more, a passport-based tourist line is not the right product.
You can buy data through KT Roaming English, SK Roaming English, LG U+ Korea SIM English, or a travel-eSIM app such as Airalo or Saily. These options do not remove the airport passport check, Korea-only limit, 90-day cap, or identity-check restriction. Toyoni can help compare the official products and arrange the carrier steps after you choose to proceed.
The one thing to decide first
Do you need data, or do you need a Korean number you can sign up with? Those are two different products. Data-only is cheap and quick, and it is all most short trips need. But data-only means no texts, which means you still cannot sign up in any Korean app, bank, or government service. If you live here or you are staying long-term, do not buy the tourist prepaid line at all. It will not work for banking or PASS. Get an ARC-linked plan or an English-speaking MVNO instead, and Toyoni can set you up with one.
