eSIM Japan

Travelling to Japan? With an esimzu eSIM you get instant mobile data with no roaming fees, from €1,99.

Choose your plan

DataValidityPrice
1 GB7 d€1,99
3 GB30 d€2,99
5 GB30 d€4,49
10 GB30 d€6,49
20 GB30 d€10,49
50 GB180 d€32,99

Coverage and networks

Japan has three major networks: NTT Docomo, au (KDDI) and SoftBank. Docomo is the largest and has the best national coverage, including in the countryside and mountainous areas. au and SoftBank are strong in the cities, but SoftBank can perform slightly worse in the countryside and in tunnels. Networks: NTT Docomo, au (KDDI), SoftBank.

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Frequently asked questions

Does an eSIM work in Japan?

Yes. Our eSIM gives you instant mobile data in Japan on the local networks, with no roaming fees. Your phone needs to support eSIM and be carrier-unlocked.

How much data do I need for Japan?

It depends on your trip. For mostly maps and messaging, 1 to 3 GB is plenty. If you use navigation, social media and some streaming, plan for roughly 1 GB every two to three days.

How fast do I get my eSIM?

Right after payment. You receive a QR code on screen and by email immediately. It is best to install it at home over Wi-Fi before you leave.

Do I keep my own phone number?

Yes. Your own SIM stays in your phone for calls and texts. The eSIM runs alongside it, purely for mobile data in Japan.