Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB/Day · 10 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Ryan K.
Sweden · Mar 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
James
GotoeSIM Support
· 4 months ago Really appreciate this, Ryan! Great to know the setup was quick and easy. Come back anytime! — James
Priya W.
Singapore · Mar 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Ken
GotoeSIM Support
· 4 months ago Cheers, Priya! So happy the Japan & South Korea eSIM kept you connected. — Ken, eSIM TopUp Support
Mohammed P.
Thailand · Mar 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Great experience overall.
Ingrid
GotoeSIM Support
· 4 months ago So glad to hear this, Mohammed! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Ingrid, eSIM TopUp Support
Noah R.
South Korea · Mar 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 4 months ago Really appreciate this, Noah! Thrilled it made staying connected effortless. – Omar 💜
Yuki F.
Australia · Mar 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. A must-have for international travel.
David
GotoeSIM Support
· 4 months ago Really appreciate this, Yuki! Love that you were online the moment you landed in Japan & South Korea. – David, eSIM TopUp Support
Isabella S.
Portugal · Mar 2026
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 4 months ago Cheers, Isabella! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Ingrid 💜
Min-jun F.
India · Mar 2026
Connected the moment I landed. Setup instructions in the app were clear and simple. Made staying connected effortless.
Yuki
GotoeSIM Support
· 4 months ago Thank you so much, Min-jun! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Yuki, eSIM TopUp Support
Lucas P.
Vietnam · Mar 2026
Used this on my trip and it worked perfectly in Japan & South Korea. Data lasted the whole trip with room to spare.
Priya
GotoeSIM Support
· 4 months ago Thank you so much, Lucas! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Priya S.
Italy · Mar 2026
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.
Anna
GotoeSIM Support
· 5 months ago Thanks a lot, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Anna 💜
Hugo L.
Sweden · Mar 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Telling my friends about this.
David
GotoeSIM Support
· 5 months ago Thanks for sharing, Hugo! So pleased it saved you from roaming bills. — David, eSIM TopUp Support
Lea V.
Thailand · Mar 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan & South Korea.
Omar
GotoeSIM Support
· 5 months ago Thank you so much, Lea! Delighted the speeds worked well for you. — Omar
Anna G.
Germany · Mar 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Made staying connected effortless.
James
GotoeSIM Support
· 5 months ago Thank you so much, Anna! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – James 💜
Arjun V.
Thailand · Mar 2026
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Zero regrets.
Grace
GotoeSIM Support
· 5 months ago Really appreciate this, Arjun! Thrilled it made staying connected effortless. Enjoy your journeys! — Grace
Andre S.
India · Mar 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Topping up was straightforward when I needed more.
Emma
GotoeSIM Support
· 5 months ago Really appreciate this, Andre! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Emma, eSIM TopUp Support
Daniel F.
Egypt · Mar 2026
Solid overall, just wish there was a bit more data for the price. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Daniel. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Laura
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB/Day plan costs $14.18 for 10 GB/day over 1 days, paid once with no hidden fees.
How do I activate my Japan & South Korea 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 & South Korea.
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 & South Korea.
Comments & questions
Sven N. · 4 weeks ago
Which networks does this connect to?
Ryan W. · 2 months ago
Does the validity start on purchase or on first use?
Fatima G. · 3 months ago
Can I use this for hotspot/tethering?
James C. · 4 months ago
Do I need to install it before I travel or after I arrive?
Ji-woo H. · 6 months ago
Is 5G supported or just 4G?
Sven S. · 6 months ago
How long does the QR code take to arrive after payment?
Zoe G. · 7 months ago
Is roaming charged extra or is it all included?
Lea F. · 7 months ago
How do I check how much data I have left?
Omar P. · 9 months ago
Can I use it in nearby countries too?
Thomas M. · 10 months ago
Does this work on an iPhone 13?
Pablo B. · 1 year ago
Great guide, the setup steps were really helpful.
Mohammed N. · 1 year ago
Thanks, installed with no problems on my Samsung.