Japan eSIM — reviews & details
Japan 500MB/Day (IIJ) · 500 MB/day · 1 days
176 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Carlos M.
France · Jun 2026
Solid overall, just wish there was a bit more data for the price. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 3 months ago Apologies for the trouble, Carlos. That's not the experience we want for Japan. Reach our team at gotoesim.com/support so we can help right away. — Sophie
Grace G.
Indonesia · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
James
GotoeSIM Support
· 5 months ago Apologies for the trouble, Grace. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — James
Lucia V.
France · Mar 2026
Good coverage in the city, a bit patchy in remote areas.
Ken
GotoeSIM Support
· 6 months ago We're really sorry, Lucia. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – Ken, GotoeSIM Support
Grace B.
United States · Jan 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
Emma
GotoeSIM Support
· 8 months ago So sorry to hear this, Grace. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. – Emma, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 500MB/Day (IIJ) plan costs $0.80 for 500 MB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan.
Comments & questions
James B. · 4 weeks ago
Is 5G supported or just 4G?
Hi James! Our Japan eSIM plans support both 4G and 5G, depending on your device and local network availability. Just make sure your phone is eSIM-compatible and unlocked for the best experience. Enjoy your travels! – Mark, GotoeSIM Support
Lucia R. · 2 months ago
Thanks, installed with no problems on my Samsung.
Yes Lucia, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. – Emma, GotoeSIM Support
Noah C. · 2 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Noah! The eSIM just handles data. – David, GotoeSIM Support
Ji-woo C. · 2 months ago
Is 5G supported or just 4G?
Yes Ji-woo, 5G is supported where the local network offers it, otherwise fast 4G. — Laura, GotoeSIM Support
Ravi V. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Ravi! We're always here if you need anything. — James, GotoeSIM Support
Nadia B. · 9 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Nadia — not at purchase. — Ken
Lea L. · 9 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Lea! Feel free to hotspot to your other devices. — Omar
Mohammed T. · 11 months ago
Which networks does this connect to?
You'll be on top local networks, Mohammed — full details are on the plan page under Coverage. – Anna, GotoeSIM Support
Ravi G. · 11 months ago
Does this work on an iPhone 13?
Yes Ravi, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. — Mark, GotoeSIM Support
Sophia M. · 11 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Sophia, then it activates automatically on arrival. – Laura 💜
Ji-woo V. · 1 year ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Ji-woo — within seconds of payment, by email and in your account. – Diego 💜
Elena P. · 1 year ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Elena — no extra charges, it's all prepaid. – Ingrid 💜
Sofia M. · 1 year ago
Can I top up the same eSIM instead of buying a new one?
Yes Sofia, you can top up the same eSIM anytime — no need to buy a new one. – Sophie, GotoeSIM Support