Japan eSIM — reviews & details
Japan 3GB 15Days (IIJ) · 3 GB · 15 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Thomas F.
Egypt · Sep 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 10 months ago So glad to hear this, Thomas! So happy the Japan eSIM kept you connected. Come back anytime! — Tom, eSIM TopUp Support
Ethan C.
UAE · Sep 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 10 months ago Thanks for sharing, Ethan! Great to know the setup was quick and easy. – Laura, eSIM TopUp Support
Haruto P.
Thailand · Sep 2025
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas.
Diego
GotoeSIM Support
· 10 months ago Thanks a lot, Haruto! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Diego 💜
Chloe W.
United Kingdom · Sep 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 10 months ago Thanks a lot, Chloe! So happy the Japan eSIM kept you connected. Come back anytime! – Diego, eSIM TopUp Support
Katya F.
United Kingdom · Sep 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Omar
GotoeSIM Support
· 11 months ago Cheers, Katya! Delighted the speeds worked well for you. We're here whenever you travel again. – Omar, eSIM TopUp Support
Pablo L.
India · Sep 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Made staying connected effortless.
James
GotoeSIM Support
· 11 months ago Cheers, Pablo! Love that you were online the moment you landed in Japan. Come back anytime! — James
Fatima K.
Mexico · Sep 2025
Honestly better than buying a local SIM at the airport in Japan. Speeds were solid for maps, messaging and browsing. A must-have for international travel.
Sophie
GotoeSIM Support
· 11 months ago Cheers, Fatima! Wonderful to hear it worked smoothly in Japan. – Sophie 💜
Lea S.
Germany · Sep 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 11 months ago So glad to hear this, Lea! Delighted the speeds worked well for you. – Sophie, eSIM TopUp Support
Lea V.
United Kingdom · Sep 2025
Super easy to set up before I flew out. Activation was automatic when I arrived in Japan.
Tom
GotoeSIM Support
· 11 months ago Really appreciate this, Lea! So happy the Japan eSIM kept you connected. – Tom 💜
Somchai K.
Ireland · Aug 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 11 months ago Thanks a lot, Somchai! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ingrid 💜
Lucas T.
France · Aug 2025
Super easy to set up before I flew out. The QR code arrived instantly by email. Made staying connected effortless.
Omar
GotoeSIM Support
· 11 months ago So glad to hear this, Lucas! Wonderful to hear it worked smoothly in Japan. We're here whenever you travel again. – Omar 💜
Viktor W.
Japan · Aug 2025
Connected the moment I landed. Coverage was strong even outside the city. Would definitely buy again.
Emma
GotoeSIM Support
· 11 months ago Thanks a lot, Viktor! Delighted the speeds worked well for you. Come back anytime! — Emma, eSIM TopUp Support
Liam H.
Singapore · Aug 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Zero regrets.
Laura
GotoeSIM Support
· 11 months ago Thanks for sharing, Liam! So happy the Japan eSIM kept you connected. Safe travels, and see you on your next trip! – Laura 💜
Sri K.
Malaysia · Aug 2025
Connected the moment I landed in Japan. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 11 months ago So glad to hear this, Sri! Great to know the setup was quick and easy. Come back anytime! – Laura 💜
Lucas R.
Egypt · Aug 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 11 months ago Thank you so much, Lucas! Wonderful to hear it worked smoothly in Japan. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
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?