Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB 30days · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Thomas T.
France · Feb 2026
Super easy to set up before I flew out. Customer support answered my question quickly.
Diego
GotoeSIM Support
· 5 months ago Thank you so much, Thomas! So happy the Japan & South Korea eSIM kept you connected. — Diego, eSIM TopUp Support
Yuki T.
Turkey · Feb 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Coverage was strong even outside the city. Five stars from me.
Laura
GotoeSIM Support
· 5 months ago Thanks a lot, Yuki! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Laura
Emma N.
Portugal · Feb 2026
Solid overall, just wish there was a bit more data for the price. Activation was automatic when I arrived.
Diego
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Emma. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. — Diego, eSIM TopUp Support
Haruto V.
Japan · Feb 2026
Installed in minutes by scanning the QR code in Japan & South Korea. Signal held up well on trains and in rural areas.
James
GotoeSIM Support
· 6 months ago Thanks a lot, Haruto! Delighted the speeds worked well for you. Enjoy your journeys! — James
James D.
Switzerland · Feb 2026
Did the job without any drama. Customer support answered my question quickly.
Priya
GotoeSIM Support
· 6 months ago Really appreciate this, James! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Aisha N.
United States · Feb 2026
Saved me a fortune on my holiday in Japan & South Korea. Topping up was straightforward when I needed more. Made staying connected effortless.
Priya
GotoeSIM Support
· 6 months ago Thank you so much, Aisha! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Mei T.
Malaysia · Feb 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 6 months ago Thank you so much, Mei! Delighted the speeds worked well for you. We're here whenever you travel again. — Mark
Ji-woo R.
Canada · Feb 2026
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Five stars from me.
Omar
GotoeSIM Support
· 6 months ago Thank you so much, Ji-woo! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Omar
Nguyen D.
United Kingdom · Feb 2026
Install took me two tries but was fine after that. Ran hotspot to my laptop with no issues.
Tom
GotoeSIM Support
· 6 months ago Appreciate you sharing this, Nguyen. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Tom, eSIM TopUp Support
Ava V.
Thailand · Feb 2026
Exactly what I needed for travelling. The QR code arrived instantly by email. Made staying connected effortless.
Omar
GotoeSIM Support
· 6 months ago Really appreciate this, Ava! So happy the Japan & South Korea eSIM kept you connected. – Omar, eSIM TopUp Support
Wei W.
Vietnam · Feb 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Yuki
GotoeSIM Support
· 6 months ago Thank you so much, Wei! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Yuki, eSIM TopUp Support
Nadia T.
Australia · Feb 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Telling my friends about this.
David
GotoeSIM Support
· 6 months ago Thank you for the kind words, Nadia! Wonderful to hear it worked smoothly in Japan & South Korea. – David 💜
Katya C.
Saudi Arabia · Feb 2026
Super easy to set up before I flew out. Topping up was straightforward when I needed more.
Omar
GotoeSIM Support
· 6 months ago Cheers, Katya! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Omar
Sofia P.
Philippines · Feb 2026
Exactly what I needed for travelling. Data lasted the whole trip with room to spare.
Priya
GotoeSIM Support
· 6 months ago Thanks a lot, Sofia! So happy the Japan & South Korea eSIM kept you connected. — Priya, eSIM TopUp Support
Hana K.
Sweden · Jan 2026
Did the job without any drama. Streaming and video calls worked without buffering. Zero regrets.
Ken
GotoeSIM Support
· 6 months ago Thanks for sharing, Hana! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Ken
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB 30days plan costs $19.20 for 10 GB over 30 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
Lea T. · 4 weeks ago
Can I top up the same eSIM instead of buying a new one?
Mohammed H. · 1 month ago
How long does the QR code take to arrive after payment?
Ji-woo R. · 3 months ago
Is roaming charged extra or is it all included?
Budi C. · 3 months ago
Can I use this for hotspot/tethering?
Arjun S. · 4 months ago
Does the validity start on purchase or on first use?
Sven R. · 5 months ago
Which networks does this connect to?
Sarah D. · 7 months ago
Can I use it in nearby countries too?
Mei B. · 7 months ago
Thanks, installed with no problems on my Samsung.
Wei T. · 7 months ago
Is 5G supported or just 4G?
Wei D. · 9 months ago
How do I check how much data I have left?
Isabella H. · 9 months ago
Great guide, the setup steps were really helpful.
Fatima K. · 1 year ago
Does this work on an iPhone 13?