Japan eSIM
from £2.49 / plan
Explore Tokyo, Kyoto and beyond with high-speed data on Japan's premium networks.
What you get with an eSIM for Japan
Coverage & Networks
4G/LTE and 5G via NTT Docomo, SoftBank and au; world-class reliability nationwide — Outstanding nationwide — including rural mountains, regional rail lines and remote islands. Japan consistently ranks among the world's strongest and most reliable networks.
How much data do I need?
We recommend 3 GB for this destination — plenty for navigation, social media and the occasional video call.
Installation & activation
Install the eSIM at home over Wi-Fi — takes under two minutes. Activate mobile data on arrival. Your primary SIM and number stay active, so calls and WhatsApp work as normal.
Ready in minutes
eSIM and setup guide delivered to your inbox
Keep your number
Use the eSIM for data only
Fixed data price
Avoid expensive roaming charges
Earn 10% back
Travel credit on your next purchase
Common questions about your Japan eSIM
Your plan activates 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.
Top-up is not currently available. If you run out of data, you can purchase a new plan from the Vyroam app or website — it will be delivered to your inbox instantly.