UPeSIM
JapanUPeSIM (previously MySIM) is a french based eSIM provider that provides global eSIM solutions throughout dozens of countries.
200 plans · 97 countries
UPeSIM eSIM plans for Japan
UPeSIM for Japan FAQ
Does UPeSIM offer unlimited data in Japan?
UPeSIM has no unlimited data plan for Japan right now. Its largest plan includes 10 GB of data.
How many UPeSIM eSIM plans are available for Japan?
UPeSIM has 6 eSIM plans for Japan, with prices starting at $1.71 per GB.
What is the cheapest UPeSIM eSIM plan for Japan?
The cheapest UPeSIM plan for Japan is Japan eSIM, which costs $17.08.
How much do UPeSIM eSIM plans for Japan cost?
Practical UPeSIM plans for Japan start at $3.41 (Asia eSIM 15 countries + China) and go up to $45.58 for the largest packages — the price depends on data size and validity. The best value right now is $1.71 per GB.
How do I install and activate an eSIM from UPeSIM for Japan?
Buy the plan on UPeSIM's site and you'll receive the eSIM by email, usually as a QR code. Add it in your phone settings (Settings → Cellular → Add eSIM) over Wi-Fi before your trip, then enable data roaming for the new line when you arrive. Exact steps can vary by plan — UPeSIM shows its own instructions at checkout.
Do UPeSIM plans for Japan support 5G and hotspot?
No current UPeSIM listing for Japan explicitly confirms 5G, so verify it before paying. Tethering (hotspot) is not confirmed in the current listings — check the plan details at checkout.