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
Kenji W.
Sweden · Sep 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Zero regrets.
David
GotoeSIM Support
· 10 months ago Cheers, Kenji! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – David, eSIM TopUp Support
Nguyen V.
Saudi Arabia · Sep 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Signal held up well on trains and in rural areas. Made staying connected effortless.
Grace
GotoeSIM Support
· 10 months ago Really appreciate this, Nguyen! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Nguyen B.
Sweden · Sep 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 11 months ago Thank you so much, Nguyen! Great to know the setup was quick and easy. Come back anytime! – Ken 💜
Priya D.
Australia · Sep 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Zero regrets.
Anna
GotoeSIM Support
· 11 months ago Cheers, Priya! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Anna, eSIM TopUp Support
Hugo L.
Spain · Sep 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Zero regrets.
Sophie
GotoeSIM Support
· 11 months ago Thank you so much, Hugo! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Sophie
Wei H.
Mexico · Sep 2025
Super easy to set up before I flew out in Japan & South Korea. Data lasted the whole trip with room to spare.
Tom
GotoeSIM Support
· 11 months ago So glad to hear this, Wei! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Tom, eSIM TopUp Support
Nguyen W.
Brazil · Sep 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 11 months ago Thanks a lot, Nguyen! Thrilled it made staying connected effortless. Come back anytime! – Sophie 💜
Kenji T.
Japan · Sep 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived in Japan & South Korea.
David
GotoeSIM Support
· 11 months ago Cheers, Kenji! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – David 💜
Ryan H.
Vietnam · Sep 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Will use eSIM TopUp for my next trip for sure.
Anna
GotoeSIM Support
· 11 months ago So glad to hear this, Ryan! Delighted the speeds worked well for you. Come back anytime! — Anna, eSIM TopUp Support
Emma W.
Thailand · Sep 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Coverage was strong even outside the city. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 11 months ago Cheers, Emma! Love that you were online the moment you landed in Japan & South Korea. — Grace
Yuki T.
UAE · Sep 2025
Install took me two tries but was fine after that. Customer support answered my question quickly.
David
GotoeSIM Support
· 11 months ago Appreciate you sharing this, Yuki. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – David 💜
Grace R.
Indonesia · Sep 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. A must-have for international travel.
Priya
GotoeSIM Support
· 11 months ago Thanks for sharing, Grace! Thrilled it made staying connected effortless. We're here whenever you travel again. — Priya
Ravi L.
Portugal · Sep 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 11 months ago Thanks a lot, Ravi! Thrilled it made staying connected effortless. – Mark, eSIM TopUp Support
Nguyen D.
Spain · Sep 2025
Good coverage in the city, a bit patchy in remote areas.
Anna
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Nguyen. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Anna, eSIM TopUp Support
Beatriz F.
Saudi Arabia · Sep 2025
Worked fine but took a little while to connect at first.
Ingrid
GotoeSIM Support
· 11 months ago Thanks for the honest feedback, Beatriz. 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 💜
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.