How does eSIM work in Japan?
An eSIM works in Japan by connecting your device to local mobile data networks. An eSIM will switch between network carriers to provide you with the fastest data connection. If your phone is eSIM compatible and carrier-unlocked, an eSIM will work perfectly in Japan.
Japan is known for its strong mobile infrastructure, including eSIM support on major networks.
If you are heading to Japan and need a reliable eSIM, aloSIM offers both regional plans for Asia as well as Japan-specific plans. You can select a plan suitable to your data needs depending on your usage habits and the length of your trip.
Install your Japan eSIM before your departure and activate it on arrival, and you’ll be instantly connected to fast and reliable internet the moment you land. You won't have to waste time worrying about setting up an international plan with your provider or risk incurring high roaming charges.