We highly recommend scanning your EastESIM QR code and installing the profile before you leave home for South Korea. This proactive step ensures that your eSIM is ready to connect the moment you land. The data plan will only begin once it detects a local network in South Korea, like SK Telecom or KT. By setting it up beforehand, you'll have immediate internet access upon arrival at Incheon International Airport (ICN), allowing you to easily use navigation apps or contact your accommodation without the stress of finding airport Wi-Fi.
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When is the ideal time to scan my EastESIM QR code for my trip to South Korea?
Updated April 22, 2026
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