5 GB Internet in Japan - 30 Days
How to Use Your 5 GB eSIM in Japan
Purchase & Receive Your QR Code
The moment you buy your Japan 5 GB plan, your QR code lands in your inbox and dashboard.
Install the eSIM
Go to Settings ā Mobile Data ā Add eSIM and scan the QR code. Stay on Wi-Fi while you install.
Activate & Connect
Switch on the eSIM Japan data plan in your settings - it'll connect to the network automatically. Already abroad? Turn on Data Roaming.
You're Online!
You've got 5 GB of data for 30 days in Japan. Keep your primary SIM switched on if you still need calls and SMS.
Important Notes
- ā¢Install your Japan eSIM before your trip, while you still have Wi-Fi.
- ā¢Your device must be eSIM-compatible and carrier-unlocked.
- ā¢Each QR code can only be scanned once - don't delete the eSIM after installing it.
Japan eSIM - Frequently Asked Questions
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Why Travelers Choose an eSIM for Japan
Heading to Tokyo, Osaka or Kyoto? A Japan eSIM saves you the pocket WiFi rental queue at the airport and the roaming fees that pile up on your home SIM. Activate a plan in two minutes, scan the QR code, and you're online on a local 4G/5G network the moment you land at Narita or Kansai. Choose a daily 1 GB starter, a 30-day 10 GB option for longer trips, or Japan eSIM unlimited data if you're streaming on the Shinkansen ā no physical SIM, no contract, no kiosk visit.
eSIM vs Pocket WiFi in Japan ā Which One Wins?
Travelers to Japan have long relied on pocket WiFi rentals, but an eSIM for Japan travel is faster to activate, cheaper per day, and far less to carry around. Here is how they compare on a typical week-long trip.
| eSIM | Pocket WiFi | |
|---|---|---|
| Setup time | ā 2 minutes (scan a QR code) | 20+ minutes (airport kiosk queue) |
| Daily cost | from ~$0.50/day | $7ā$10/day rental fee |
| Device to carry | just your phone | WiFi hotspot + spare battery |
| Return required | no ā expires on its own | yes ā return at airport or post |
| Coverage | local KDDI / Softbank 4G/5G | same carriers, tied to one device |
Japan eSIM FAQ ā Pocket WiFi, Unlimited Data & Travel Tips
Which is the best eSIM for Japan?
The best eSIM for Japan is the one that matches your trip length and data habits ā a 3 GB / 15-day plan for a typical tourist loop through Tokyo and Kyoto, or Japan eSIM unlimited data if you're working remotely or streaming on the Shinkansen. All our Japan eSIMs run on local KDDI and Softbank networks, so coverage is the same regardless of plan size.
Is an eSIM cheaper than pocket WiFi in Japan?
Yes, typically by a factor of 5ā10Ć. Pocket WiFi rentals in Japan run $7ā$10 per day, while a 30-day 10 GB eSIM for Japan travel often costs less than three days of pocket WiFi rental. The eSIM also skips the airport pickup queue, the return deposit, and the risk of losing a rented device.
Can I get unlimited data with a Japan eSIM?
Yes ā our Japan eSIM unlimited data plans offer full-speed 4G/5G up to a daily fair-use cap (typically 3 GB/day), then keep going at a reduced speed with no hard cut-off. That's enough for HD video calls, streaming on trains, and sharing your location with family back home without watching a data meter.