Japan eSIM — reviews & details
Japan 1GB 7Days (IIJ) · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ethan D.
Sweden · Jul 2026
Install took me two tries but was fine after that.
Sara
GotoeSIM Support
· 1 week ago Apologies for the trouble, Ethan. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. — Sara, GotoeSIM Support
Diego F.
Australia · Jul 2026
Decent speeds, though slower than I expected in a few spots.
Ingrid
GotoeSIM Support
· 2 weeks ago So sorry to hear this, Diego. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Ingrid, GotoeSIM Support
Sven P.
Malaysia · Mar 2026
Install took me two tries but was fine after that.
Emma
GotoeSIM Support
· 4 months ago Apologies for the trouble, Sven. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — Emma, GotoeSIM Support
Somchai N.
Sweden · Dec 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 7 months ago Apologies for the trouble, Somchai. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. — James, GotoeSIM Support
Zoe G.
Germany · Sep 2025
Solid overall, just wish there was a bit more data for the price. The QR code arrived instantly by email.
James
GotoeSIM Support
· 10 months ago So sorry to hear this, Zoe. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – James, GotoeSIM Support
Emma W.
Japan · Jan 2025
Good coverage in the city, a bit patchy in remote areas.
Ingrid
GotoeSIM Support
· 1 year ago We're really sorry, Emma. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. – Ingrid 💜
Pablo D.
Saudi Arabia · Dec 2024
Decent speeds, though slower than I expected in a few spots. The QR code arrived instantly by email.
Ken
GotoeSIM Support
· 1 year ago We're really sorry, Pablo. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Ken, GotoeSIM Support
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 1GB 7Days (IIJ) plan costs $1.05 for 1 GB over 7 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
Carlos M. · 2 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Carlos, on 4G/5G where available. – Grace 💜
Zoe B. · 2 months ago
Is 5G supported or just 4G?
Yes Zoe, 5G is supported where the local network offers it, otherwise fast 4G. — Tom, GotoeSIM Support
Max G. · 3 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Max! The eSIM just handles data. – Yuki 💜
Liam G. · 3 months ago
How long does the QR code take to arrive after payment?
It's immediate, Liam! The QR code is delivered the moment your payment goes through. – Laura, GotoeSIM Support
Ethan V. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Topping up is easy, Ethan! Just add more data to your existing eSIM in the app. – Mark 💜
Viktor T. · 6 months ago
Does this work on an iPhone 13?
Absolutely, Viktor! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. — Sophie, GotoeSIM Support
Pablo W. · 7 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Pablo — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Grace T. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Grace, so buying early is totally fine. — Priya, GotoeSIM Support
Aisha G. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Aisha! We're always here if you need anything. – David, GotoeSIM Support
James H. · 10 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, James — check My eSIMs anytime. – Omar 💜
Chloe L. · 1 year ago
Thanks, installed with no problems on my Samsung.
Yes Chloe, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Sara, GotoeSIM Support
Mei L. · 1 year ago
Can I use this for hotspot/tethering?
Yes Mei, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Ingrid, GotoeSIM Support