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
Ethan V.
Indonesia · Jan 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Would definitely buy again.
Ken
GotoeSIM Support
· 7 months ago Thanks a lot, Ethan! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Ken, eSIM TopUp Support
Wei S.
Egypt · Jan 2026
Super easy to set up before I flew out. Coverage was strong even outside the city. Zero regrets.
Ingrid
GotoeSIM Support
· 7 months ago Thanks a lot, Wei! Great to know the setup was quick and easy. We're here whenever you travel again. — Ingrid, eSIM TopUp Support
Lea M.
Poland · Jan 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly.
Diego
GotoeSIM Support
· 7 months ago Cheers, Lea! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Diego, eSIM TopUp Support
Sven S.
Malaysia · Jan 2026
Connected the moment I landed in Japan & South Korea. Customer support answered my question quickly. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 7 months ago Thanks a lot, Sven! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Tom
Max B.
Germany · Jan 2026
Did the job without any drama. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 7 months ago Cheers, Max! Thrilled it made staying connected effortless. Enjoy your journeys! – Diego 💜
Giulia M.
Japan · Jan 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 7 months ago Cheers, Giulia! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – David 💜
Fatima K.
Egypt · Jan 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 7 months ago Thank you so much, Fatima! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Tom 💜
Sophia V.
Sweden · Dec 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Would definitely buy again.
Sophie
GotoeSIM Support
· 7 months ago Thanks a lot, Sophia! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Sophie, eSIM TopUp Support
Emma H.
Malaysia · Dec 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Five stars from me.
Laura
GotoeSIM Support
· 7 months ago Thank you so much, Emma! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Laura 💜
Wei T.
United Kingdom · Dec 2025
Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering. Telling my friends about this.
Omar
GotoeSIM Support
· 7 months ago Thank you so much, Wei! Delighted the speeds worked well for you. Enjoy your journeys! — Omar
Sofia W.
India · Dec 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering.
Tom
GotoeSIM Support
· 7 months ago Thank you for the kind words, Sofia! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Tom, eSIM TopUp Support
James F.
Egypt · Dec 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Customer support answered my question quickly. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 7 months ago So glad to hear this, James! Thrilled it made staying connected effortless. Enjoy your journeys! – Mark 💜
Budi L.
Australia · Dec 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Signal held up well on trains and in rural areas. Great experience overall.
David
GotoeSIM Support
· 7 months ago So glad to hear this, Budi! Delighted the speeds worked well for you. Come back anytime! — David
Grace K.
Mexico · Dec 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 7 months ago Thank you so much, Grace! Thrilled it made staying connected effortless. — Sophie, eSIM TopUp Support
Sofia B.
Portugal · Dec 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 7 months ago Thank you for the kind words, Sofia! Love that you were online the moment you landed in Japan & South Korea. — Laura, eSIM TopUp Support
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?