Yes, you can absolutely install your Truly Roaming eSIM for South Korea before you even board your flight. The eSIM will be ready on your device but will only activate and begin consuming data once it detects and connects to a local South Korean network upon your arrival. This means you'll have internet access the moment you land, perfect for ordering a ride or checking your work emails without any delay.
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Can I set up my Truly Roaming eSIM for South Korea before my flight?
Updated April 22, 2026
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