Data eSIM
Stay connected abroad without replacing your physical SIM card.
Korea USIM travel eSIMs provide convenient mobile data in Korea, Japan, Taiwan, Thailand, Vietnam, the United States, China, Hong Kong, Macau, and many other destinations.
Your eSIM QR code is delivered by email, allowing you to install the plan before departure and connect after arriving at your destination.
Why Choose a Travel eSIM?
📵 No physical SIM card replacement
📧 QR code delivered by email
⚡ Same-day delivery during business hours
📶 Mobile data available immediately after arrival and activation
📡 Hotspot and tethering supported on most plans
💳 Keep your original SIM installed for calls and messages
🌍 Plans available for various destinations and travel periods
🏷️ Additional data eSIM products receive a 10% discount
Data-Only Service
Travel data eSIMs provide mobile data only. They generally do not include:
❌ A local phone number
❌ Standard voice calls
❌ SMS service
You can still use internet-based applications such as WhatsApp, LINE, KakaoTalk, FaceTime, Messenger, and other VoIP services.
How It Works
1️⃣ Select your destination and travel period.
2️⃣ Enter a valid email address when placing your order.
3️⃣ Receive your eSIM QR code by email.
4️⃣ Install the eSIM through your phone settings while connected to stable Wi-Fi.
5️⃣ After arriving at your destination, turn on the eSIM line and data roaming.
The service period generally begins when the eSIM first connects to a supported mobile network at the destination.
Installation Guide
🍎 iPhone: Settings → Cellular / Mobile Service → Add eSIM → Use QR Code
🤖 Android: Settings → Connections → SIM Manager → Add eSIM → Scan QR Code
⚠️ Do not scan the QR code only through the ordinary camera application. The QR code must be added through your phone's eSIM settings.
Before Purchasing — Please confirm that your device:
✅ Supports eSIM
✅ Displays an EID
✅ Is carrier-unlocked
✅ Supports the mobile network bands used at your destination
Important QR Code Policy
Most eSIM QR codes can be installed only once. After installation:
🚫 Do not delete the eSIM
🚫 Do not reset the eSIM profile
🚫 Do not install it on another device
🚫 Do not repeatedly scan the QR code
A deleted or previously installed eSIM may not be reissued.
