Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Lucia G.
Turkey · Mar 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Great experience overall.
Ingrid
GotoeSIM Support
· 5 months ago Really appreciate this, Lucia! Love that you were online the moment you landed in Japan. Come back anytime! — Ingrid
Anna K.
Italy · Feb 2026
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 5 months ago Cheers, Anna! Delighted the speeds worked well for you. – Ken 💜
Lucas S.
United States · Feb 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Mark
GotoeSIM Support
· 5 months ago Cheers, Lucas! Great to know the setup was quick and easy. — Mark
Somchai V.
Brazil · Feb 2026
Did the job without any drama in Japan. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 5 months ago Cheers, Somchai! So happy the Japan eSIM kept you connected. Come back anytime! – Ken, eSIM TopUp Support
Pablo V.
Philippines · Feb 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 5 months ago Thanks a lot, Pablo! Love that you were online the moment you landed in Japan. – Mark, eSIM TopUp Support
Ananya S.
Ireland · Feb 2026
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Ingrid
GotoeSIM Support
· 5 months ago Thank you so much, Ananya! Love that you were online the moment you landed in Japan. Enjoy your journeys! — Ingrid
Priya S.
Ireland · Feb 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Zero regrets.
James
GotoeSIM Support
· 5 months ago So glad to hear this, Priya! So pleased it saved you from roaming bills. We're here whenever you travel again. — James, eSIM TopUp Support
Marco N.
Spain · Feb 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 5 months ago Thanks for sharing, Marco! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Diego, eSIM TopUp Support
Zoe K.
India · Feb 2026
Connected the moment I landed in Japan. Topping up was straightforward when I needed more.
Omar
GotoeSIM Support
· 6 months ago So glad to hear this, Zoe! Thrilled it made staying connected effortless. — Omar
Marco C.
Philippines · Feb 2026
Great value compared to roaming charges. The QR code arrived instantly by email. Zero regrets.
Mark
GotoeSIM Support
· 6 months ago Thanks for sharing, Marco! Delighted the speeds worked well for you. Enjoy your journeys! — Mark, eSIM TopUp Support
Nadia L.
Turkey · Feb 2026
Bought it the night before my flight — smooth process. Coverage was strong even outside the city. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 6 months ago Thanks for sharing, Nadia! Love that you were online the moment you landed in Japan. Wishing you many more connected adventures! – Tom, eSIM TopUp Support
Mateo W.
Philippines · Feb 2026
Connected the moment I landed in Japan. Data lasted the whole trip with room to spare.
Priya
GotoeSIM Support
· 6 months ago Really appreciate this, Mateo! Wonderful to hear it worked smoothly in Japan. Safe travels, and see you on your next trip! – Priya 💜
Emma G.
United Kingdom · Feb 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Would definitely buy again.
Grace
GotoeSIM Support
· 6 months ago Thank you for the kind words, Emma! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Grace, eSIM TopUp Support
Liam D.
Italy · Feb 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city.
Sophie
GotoeSIM Support
· 6 months ago So glad to hear this, Liam! Thrilled it made staying connected effortless. Enjoy your journeys! — Sophie, eSIM TopUp Support
Ryan K.
New Zealand · Feb 2026
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Great experience overall.
David
GotoeSIM Support
· 6 months ago Really appreciate this, Ryan! So happy the Japan eSIM kept you connected. Enjoy your journeys! – David 💜
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 3GB 15Days (IIJ) plan costs $2.55 for 3 GB over 15 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 eSIM TopUp 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
Budi L. · 1 week ago
Does this work on an iPhone 13?
Sri M. · 3 weeks ago
Will this keep my WhatsApp active with my home number?
Andre D. · 3 months ago
Can I use it in nearby countries too?
Min-jun G. · 4 months ago
Can I top up the same eSIM instead of buying a new one?
Ava S. · 4 months ago
Is roaming charged extra or is it all included?
Emma T. · 4 months ago
Does the validity start on purchase or on first use?
Ravi W. · 5 months ago
Can I use this for hotspot/tethering?
Sofia H. · 6 months ago
Great guide, the setup steps were really helpful.
Lucas G. · 9 months ago
Is 5G supported or just 4G?
Mei N. · 9 months ago
Which networks does this connect to?
Omar P. · 9 months ago
Do I need to install it before I travel or after I arrive?
Olivia D. · 1 year ago
How long does the QR code take to arrive after payment?