JapanIIJ eSIM plans for Japan
IIJ for Japan FAQ
Does IIJ offer unlimited data in Japan?
IIJ has no unlimited data plan for Japan right now. Its largest plan includes 60 GB of data.
How many IIJ eSIM plans are available for Japan?
IIJ has 7 eSIM plans for Japan, with prices starting at $0.60 per GB.
What is the cheapest IIJ eSIM plan for Japan?
The cheapest IIJ plan for Japan is Japan 50 GB, which costs $29.99.
How much do IIJ eSIM plans for Japan cost?
Practical IIJ plans for Japan start at $5.99 (Japan 5 GB) and go up to $30.99 for the largest packages — the price depends on data size and validity. The best value right now is $0.60 per GB.
How do I install and activate an eSIM from IIJ for Japan?
Buy the plan on IIJ'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 — IIJ shows its own instructions at checkout.
Do IIJ plans for Japan support 5G and hotspot?
No current IIJ 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.