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
Linh H.
Egypt · Jan 2026
Installed in minutes by scanning the QR code in Japan & South Korea. Topping up was straightforward when I needed more.
Diego
GotoeSIM Support
· 7 months ago So glad to hear this, Linh! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Diego
Lucia H.
Philippines · Jan 2026
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Made staying connected effortless.
Sara
GotoeSIM Support
· 7 months ago Thank you so much, Lucia! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Sara, eSIM TopUp Support
Arjun C.
Brazil · Jan 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Telling my friends about this.
Yuki
GotoeSIM Support
· 7 months ago So glad to hear this, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Yuki
Sri G.
France · Jan 2026
Worked fine but took a little while to connect at first. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 7 months ago Thank you for taking the time, Sri. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. – Mark 💜
Lucia M.
Saudi Arabia · Jan 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. A must-have for international travel.
Ken
GotoeSIM Support
· 7 months ago Thanks for sharing, Lucia! Great to know the setup was quick and easy. — Ken, eSIM TopUp Support
Ananya D.
India · Dec 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Five stars from me.
Grace
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ananya! So pleased it saved you from roaming bills. Enjoy your journeys! — Grace
Giulia W.
Switzerland · Dec 2025
Saved me a fortune on my holiday in Japan & South Korea. Coverage was strong even outside the city. Made staying connected effortless.
Grace
GotoeSIM Support
· 7 months ago Thank you so much, Giulia! Love that you were online the moment you landed in Japan & South Korea. – Grace 💜
Olivia B.
Philippines · Dec 2025
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 7 months ago Thank you for the kind words, Olivia! Love that you were online the moment you landed in Japan & South Korea. – Tom 💜
Ravi W.
Australia · Dec 2025
First time using an eSIM and it was painless. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 7 months ago So glad to hear this, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. — Omar, eSIM TopUp Support
Omar S.
Germany · Dec 2025
Bought it the night before my flight — smooth process. Coverage was strong even outside the city.
James
GotoeSIM Support
· 7 months ago Thank you so much, Omar! Thrilled it made staying connected effortless. We're here whenever you travel again. — James, eSIM TopUp Support
Ananya G.
Thailand · Dec 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ananya! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Laura, eSIM TopUp Support
Isabella T.
Philippines · Dec 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Topping up was straightforward when I needed more. A must-have for international travel.
David
GotoeSIM Support
· 7 months ago Thanks a lot, Isabella! Love that you were online the moment you landed in Japan & South Korea. – David 💜
Mohammed G.
Japan · Dec 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 7 months ago Cheers, Mohammed! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Mark 💜
Elena N.
Philippines · Dec 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 7 months ago Thank you so much, Elena! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Grace, eSIM TopUp Support
Thomas P.
Ireland · Dec 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 7 months ago Cheers, Thomas! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ingrid, eSIM TopUp Support
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. · 4 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. · 6 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. · 9 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.