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
Elena R.
Canada · Jul 2026
Used this on my trip and it worked perfectly. Customer support answered my question quickly. A must-have for international travel.
Sophie
GotoeSIM Support
· 3 weeks ago So glad to hear this, Elena! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Sophie, eSIM TopUp Support
Ethan M.
Japan · Jul 2026
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering. Five stars from me.
Diego
GotoeSIM Support
· 3 weeks ago Thanks for sharing, Ethan! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Diego
Lea R.
Italy · Jul 2026
Did the job without any drama. Customer support answered my question quickly.
Diego
GotoeSIM Support
· 3 weeks ago Thanks for sharing, Lea! So pleased it saved you from roaming bills. — Diego
Zoe V.
UAE · Jul 2026
Exactly what I needed for travelling in Japan & South Korea. Customer support answered my question quickly.
Emma
GotoeSIM Support
· 4 weeks ago Thanks a lot, Zoe! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Emma 💜
Aisha P.
Netherlands · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Streaming and video calls worked without buffering. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 4 weeks ago Really appreciate this, Aisha! Delighted the speeds worked well for you. Enjoy your journeys! — Grace
Arjun M.
Philippines · Jul 2026
Great value compared to roaming charges. Customer support answered my question quickly.
Ken
GotoeSIM Support
· 1 month ago Thanks a lot, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. – Ken 💜
Emma R.
Australia · Jul 2026
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 month ago Thank you so much, Emma! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Min-jun M.
Philippines · Jul 2026
Super easy to set up before I flew out. The QR code arrived instantly by email. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 1 month ago Thank you for the kind words, Min-jun! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Ingrid, eSIM TopUp Support
Lucia W.
Singapore · Jul 2026
Connected the moment I landed. Ran hotspot to my laptop with no issues. Zero regrets.
Anna
GotoeSIM Support
· 1 month ago Thank you so much, Lucia! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Anna 💜
Ji-woo G.
Japan · Jul 2026
Did the job without any drama. Customer support answered my question quickly.
Grace
GotoeSIM Support
· 1 month ago Thank you for the kind words, Ji-woo! Thrilled it made staying connected effortless. Come back anytime! – Grace, eSIM TopUp Support
Ryan F.
Egypt · Jul 2026
Exactly what I needed for travelling. Coverage was strong even outside the city. A must-have for international travel.
Laura
GotoeSIM Support
· 1 month ago Thanks a lot, Ryan! So pleased it saved you from roaming bills. — Laura
Marco R.
Saudi Arabia · Jul 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived in Japan & South Korea. Highly recommend for any traveller.
James
GotoeSIM Support
· 1 month ago Really appreciate this, Marco! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – James, eSIM TopUp Support
Liam H.
France · Jul 2026
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 1 month ago So glad to hear this, Liam! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Sophie
Hana R.
Egypt · Jul 2026
Worked fine but took a little while to connect at first.
Ingrid
GotoeSIM Support
· 1 month ago Appreciate you sharing this, Hana. 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. — Ingrid, eSIM TopUp Support
Katya M.
Spain · Jul 2026
Decent speeds, though slower than I expected in a few spots. Ran hotspot to my laptop with no issues.
Grace
GotoeSIM Support
· 1 month ago Thank you for taking the time, Katya. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Grace, 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.