Japan eSIM

Get connected before you leave the airport.

An eSIM is often the simplest way for international travelers to use maps, translation, messaging, and train tools from the moment they land in Japan.

Ask about connectivity Travel basics

Check

Before buying

Confirm your device supports eSIM, is unlocked, and that the plan covers Japan for your full travel period.

Install

Before departure

Install on stable Wi-Fi, save setup instructions offline, and avoid activating data too early if the plan is time-based.

Activate

After landing

Select the eSIM for mobile data, enable roaming, test maps, and keep airport Wi-Fi until everything works.