Japan eSIM — reviews & details
Japan 5GB 30Days (IIJ) · 5 GB · 30 days
165 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Camila P.
Indonesia · Jun 2026
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Five stars from me.
Grace
GotoeSIM Support
· 2 months ago Thanks a lot, Camila! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Grace, GotoeSIM Support
Beatriz P.
India · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Activation was automatic when I arrived.
James
GotoeSIM Support
· 2 months ago Thank you for taking the time, Beatriz. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – James 💜
Noah S.
South Korea · Jun 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Telling my friends about this.
Sophie
GotoeSIM Support
· 2 months ago Thank you so much, Noah! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sophie, GotoeSIM Support
Andre G.
Singapore · Jun 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. A must-have for international travel.
Mark
GotoeSIM Support
· 2 months ago Thank you so much, Andre! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Mark
Ethan M.
Singapore · Jun 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Great experience overall.
Mark
GotoeSIM Support
· 2 months ago Thanks for sharing, Ethan! So happy the Japan eSIM kept you connected. Enjoy your journeys! — Mark
Hana N.
Mexico · Jun 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 2 months ago Thanks for sharing, Hana! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Tom
Giulia F.
Indonesia · Jun 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Would definitely buy again.
Priya
GotoeSIM Support
· 2 months ago Really appreciate this, Giulia! Thrilled it made staying connected effortless. – Priya 💜
James V.
Australia · Jun 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 2 months ago Thanks for sharing, James! Great to know the setup was quick and easy. – Mark 💜
Haruto C.
Poland · Jun 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 2 months ago Really appreciate this, Haruto! Love that you were online the moment you landed in Japan. We're here whenever you travel again. – Priya 💜
Budi L.
New Zealand · Jun 2026
First time using an eSIM and it was painless. Customer support answered my question quickly.
Tom
GotoeSIM Support
· 2 months ago Thanks for sharing, Budi! So pleased it saved you from roaming bills. Enjoy your journeys! – Tom 💜
Isabella D.
United Kingdom · Jun 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 2 months ago Thank you for the kind words, Isabella! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Tom
Zoe P.
Japan · Jun 2026
Super easy to set up before I flew out in Japan. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 2 months ago Thanks a lot, Zoe! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Ingrid 💜
Arjun D.
Thailand · Jun 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Zero regrets.
Grace
GotoeSIM Support
· 3 months ago Really appreciate this, Arjun! Delighted the speeds worked well for you. — Grace
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
Beatriz P.
Indonesia · Jun 2026
Honestly better than buying a local SIM at the airport in Japan. The QR code arrived instantly by email.
Sophie
GotoeSIM Support
· 3 months ago Thank you for the kind words, Beatriz! So happy the Japan eSIM kept you connected. — Sophie
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