JapanThree eSIM plans for Japan
Three for Japan FAQ
Does Three offer unlimited data in Japan?
Three has no unlimited data plan for Japan right now. Its largest plan includes 34 GB of data.
How many Three eSIM plans are available for Japan?
Three has 11 eSIM plans for Japan, with prices starting at $0.85 per GB.
What is the cheapest Three eSIM plan for Japan?
The cheapest Three plan for Japan is South Korea and Japan 20 GB, which costs $16.99.
How much do Three eSIM plans for Japan cost?
Practical Three plans for Japan start at $9.99 (South Korea and Japan 10 GB) and go up to $74.99 for the largest packages — the price depends on data size and validity. The best value right now is $0.85 per GB.
How do I install and activate an eSIM from Three for Japan?
Buy the plan on Three'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 — Three shows its own instructions at checkout.
Do Three plans for Japan support 5G and hotspot?
At least one current Three listing for Japan is marked as 5G-capable. Tethering (hotspot) is not confirmed in the current listings — check the plan details at checkout.