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
Ananya C.
Italy · Jun 2025
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ananya! Thrilled it made staying connected effortless. — Laura, eSIM TopUp Support
Nadia S.
Sweden · May 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Topping up was straightforward when I needed more. Would definitely buy again.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Nadia! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Anna, eSIM TopUp Support
Zoe T.
Philippines · May 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Zoe! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Emma, eSIM TopUp Support
Fatima V.
Canada · May 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Great experience overall.
David
GotoeSIM Support
· 1 year ago Cheers, Fatima! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – David, eSIM TopUp Support
Priya P.
Switzerland · May 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Telling my friends about this.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜
Fatima V.
South Korea · May 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Telling my friends about this.
Yuki
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! — Yuki, eSIM TopUp Support
Sophia D.
Switzerland · Apr 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sophia! Delighted the speeds worked well for you. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Mateo L.
India · Apr 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 1 year ago Cheers, Mateo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Laura, eSIM TopUp Support
Arjun M.
Sweden · Apr 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Arjun! Great to know the setup was quick and easy. — David, eSIM TopUp Support
Sven S.
New Zealand · Apr 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Sven! Thrilled it made staying connected effortless. – Grace, eSIM TopUp Support
Hugo P.
France · Apr 2025
Exactly what I needed for travelling. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hugo! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Sophie, eSIM TopUp Support
Mateo H.
Ireland · Mar 2025
Connected the moment I landed in Japan & South Korea. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Mateo! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Omar, eSIM TopUp Support
Carlos V.
Philippines · Mar 2025
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Would definitely buy again.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Carlos! Great to know the setup was quick and easy. We're here whenever you travel again. – Sara, eSIM TopUp Support
Mohammed L.
Turkey · Mar 2025
Exactly what I needed for travelling. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 1 year ago Cheers, Mohammed! Delighted the speeds worked well for you. We're here whenever you travel again. – Tom, eSIM TopUp Support
Lucas P.
New Zealand · Mar 2025
Super easy to set up before I flew out. The QR code arrived instantly by email.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Lucas! Great to know the setup was quick and easy. – Grace, 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?