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
Hana D.
Australia · Mar 2025
Install took me two tries but was fine after that. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Hana. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Ingrid
Katya R.
Japan · Mar 2025
Exactly what I needed for travelling in Japan & South Korea. Streaming and video calls worked without buffering. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Katya! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Mark, eSIM TopUp Support
Sarah H.
Italy · Mar 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Sarah! Wonderful to hear it worked smoothly in Japan & South Korea. — Ingrid, eSIM TopUp Support
Hana W.
New Zealand · Mar 2025
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Hana! Thrilled it made staying connected effortless. — Diego, eSIM TopUp Support
Hugo G.
Saudi Arabia · Mar 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Would definitely buy again.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Hugo! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Sara 💜
Liam L.
France · Mar 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Liam! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Omar 💜
Nguyen S.
UAE · Mar 2025
Did the job without any drama. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 1 year ago Really appreciate this, Nguyen! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Emma, eSIM TopUp Support
Linh G.
Turkey · Mar 2025
Exactly what I needed for travelling. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Linh! Wonderful to hear it worked smoothly in Japan & South Korea. – Ingrid 💜
Sofia F.
Germany · Mar 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Zero regrets.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Sofia! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Aisha D.
Turkey · Feb 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Great experience overall.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Aisha! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Louis L.
Mexico · Feb 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Made staying connected effortless.
Emma
GotoeSIM Support
· 1 year ago Cheers, Louis! So happy the Japan & South Korea eSIM kept you connected. – Emma, eSIM TopUp Support
Sven T.
Ireland · Feb 2025
Did the job without any drama. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 1 year ago Thanks for sharing, Sven! So pleased it saved you from roaming bills. Enjoy your journeys! — Omar, eSIM TopUp Support
Olivia R.
United States · Feb 2025
Installed in minutes by scanning the QR code in Japan & South Korea. The QR code arrived instantly by email. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Olivia! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Fatima G.
Netherlands · Feb 2025
Exactly what I needed for travelling. Activation was automatic when I arrived. Great experience overall.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Priya, eSIM TopUp Support
Pablo W.
Brazil · Feb 2025
Connected the moment I landed. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Ken
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. · 5 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. · 7 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. · 10 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.