Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ananya N.
India · Jun 2026
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 3 months ago We're really sorry, Ananya. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — James, GotoeSIM Support
Aisha N.
France · Jun 2026
Decent speeds, though slower than I expected in a few spots.
Ken
GotoeSIM Support
· 3 months ago We're really sorry, Aisha. 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
James T.
Italy · Apr 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 4 months ago So sorry to hear this, James. This isn't the standard we aim for. Please contact us at gotoesim.com/support and we'll sort it out. – Ingrid, GotoeSIM Support
Sri B.
Germany · Feb 2026
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Tom
GotoeSIM Support
· 6 months ago We're really sorry, Sri. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. – Tom 💜
Camila R.
Poland · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 7 months ago We're really sorry, Camila. That's not the experience we want for Japan. Please contact us at gotoesim.com/support and we'll sort it out. — Diego
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 5GB 30Days (IIJ) plan costs $4.32 for 5 GB over 30 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 H. · 2 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Carlos. — Tom
Liam V. · 3 months ago
Which networks does this connect to?
You'll be on top local networks, Liam — full details are on the plan page under Coverage. — Grace
Liam D. · 3 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Liam — no extra charges, it's all prepaid. — Ken, GotoeSIM Support
Lea K. · 4 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Lea — within seconds of payment, by email and in your account. — Mark
Arjun T. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Arjun — it switches on when you land. — Omar
James T. · 5 months ago
Is 5G supported or just 4G?
5G is available where covered, James — you'll always get the best speed on offer. — Yuki, GotoeSIM Support
Katya M. · 5 months ago
Does the validity start on purchase or on first use?
Validity usually starts when you first connect in your destination, Katya — not at purchase. – Priya, GotoeSIM Support
Budi T. · 6 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Budi, you can top up the same eSIM anytime — no need to buy a new one. – Mark, GotoeSIM Support
Grace S. · 8 months ago
Great guide, the setup steps were really helpful.
So glad it helped, Grace! We're always here if you need anything. — Diego
Mei V. · 1 year ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Mei! Add it via SIM manager and you're set. – Sara, GotoeSIM Support
Chloe M. · 1 year ago
Can I use it in nearby countries too?
For nearby countries, Chloe, a regional plan may suit you better — happy to help you pick. – James 💜
Grace D. · 1 year ago
Can I use this for hotspot/tethering?
Tethering is supported, Grace! Feel free to hotspot to your other devices. – David, GotoeSIM Support