Japan eSIM — reviews & details
Japan 20GB 30Days (IIJ) · 20 GB · 30 days
620 reviews
Coverage & networks
- Japan NTT docomo 4G
Traveller reviews
Ryan M.
Germany · Sep 2024
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ryan! Great to know the setup was quick and easy. Enjoy your journeys! — Anna, eSIM TopUp Support
Aisha G.
Singapore · Sep 2024
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Aisha! So pleased it saved you from roaming bills. – Emma, eSIM TopUp Support
Viktor B.
India · Sep 2024
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 1 year ago Cheers, Viktor! Great to know the setup was quick and easy. Wishing you many more connected adventures! — James, eSIM TopUp Support
Ravi C.
Indonesia · Aug 2024
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Ravi! Wonderful to hear it worked smoothly in Japan. Come back anytime! — Sara, eSIM TopUp Support
Lea S.
Egypt · Aug 2024
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Lea! Thrilled it made staying connected effortless. We're here whenever you travel again. – Sara 💜
Ava P.
France · Aug 2024
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan. Zero regrets.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Ava! Great to know the setup was quick and easy. — Yuki
Frequently asked questions
How much does the Japan eSIM cost?
The Japan 20GB 30Days (IIJ) plan costs $12.30 for 20 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 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
Katya K. · 2 months ago
Is 5G supported or just 4G?
Katya V. · 7 months ago
Thanks, installed with no problems on my Samsung.
Beatriz C. · 8 months ago
Is roaming charged extra or is it all included?
Lea B. · 8 months ago
Will this keep my WhatsApp active with my home number?
Kenji R. · 9 months ago
Do I need to install it before I travel or after I arrive?
Zoe V. · 9 months ago
How do I check how much data I have left?
Grace C. · 10 months ago
Great guide, the setup steps were really helpful.
Camila M. · 11 months ago
Can I use it in nearby countries too?
Mateo B. · 11 months ago
Which networks does this connect to?
Beatriz R. · 11 months ago
Does the validity start on purchase or on first use?
Sarah V. · 11 months ago
How long does the QR code take to arrive after payment?
Thomas N. · 1 year ago
Can I top up the same eSIM instead of buying a new one?