Desk
eSIM for Japan
Buy a data-only eSIM before you fly and install it at home on Wi-Fi; activate on landing.
Not field-verified
| Option | Good for | Watch out |
|---|---|---|
| Data-only eSIM (installed at home) | Most travellers | Phone must be carrier-unlocked and eSIM-capable |
| Home carrier roaming pass | Short trips | Daily fees add up |
| Pocket Wi-Fi rental | Groups sharing one connection | Battery; must return it |
When it breaks: eSIM not connecting on arrival
- Turn data roaming ON for the eSIM line only.
- Set the eSIM as the mobile-data line; keep your home line for calls/SMS if needed.
- Toggle airplane mode for 10 seconds.
- Airport Wi-Fi is free — use it to open the provider's support chat.