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Your eSIM and setup guide arrive by email right after payment. Install over Wi-Fi at home.
Your number stays
Data-only eSIM — calls, SMS and WhatsApp keep running on your home SIM as normal.
Prices are final
Paid up front in your currency. No bill after the trip — and a 30-day refund if unactivated.
2–5 GB covers a week of Seoul underground navigation, K-drama streaming and social media. Heavy map use in Busan and Jeju adds up; opt for more if you're a streamer.
Your data runs on named local networks — the same ones people there use every day.
4G/LTE and 5G via SK Telecom, KT and LG U+
World-class 5G everywhere — the underground, mountain trails and even ferry crossings. South Korea consistently ranks among the fastest mobile networks globally.
Access to supported 4G/5G networks. Coverage and speeds vary by location and network availability.
Install at home, over Wi-Fi
One tap in the app, or scan the QR code from your confirmation email. Takes about three minutes.
Land, switch on mobile data
Most plans activate on the first supported network they find.
4 things nearly everyone asks before their first eSIM.
Most plans activate automatically the first time your phone connects to a local network at your destination. There is nothing to switch on manually — just turn off aeroplane mode on arrival.
Yes. Vyroam eSIMs are data-only — your primary SIM and phone number stay completely active for calls, SMS, and WhatsApp. You use the Vyroam eSIM for data and your regular SIM for everything else.
Most iPhones from XS onwards and many modern Android devices (Samsung Galaxy S21+, Google Pixel 3+) support eSIM. Check Settings → Mobile Data on iPhone or Settings → Connections → SIM Manager on Android and look for an Add eSIM option.
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Top-up is available for compatible plans. You can add more data directly from the My eSIM page — no reinstall or new QR code needed. If your plan does not support top-up, you can purchase a new eSIM plan instead.
