While Seoul offers widespread public Wi-Fi, especially in major areas and subways, it can be inconsistent, slow, or require registration. For reliable, secure, and always-on connectivity while exploring Gyeongbokgung Palace or using maps, an eSIM from Cellesim is highly recommended. It saves time and ensures seamless communication.
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Is public Wi-Fi reliable enough in Seoul, or should I get an eSIM?
Updated May 30, 2026
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