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
Budi N.
Indonesia · Feb 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Anna
GotoeSIM Support
· 6 months ago So glad to hear this, Budi! Great to know the setup was quick and easy. Come back anytime! — Anna
Linh D.
Saudi Arabia · Feb 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 6 months ago Really appreciate this, Linh! Delighted the speeds worked well for you. We're here whenever you travel again. — Anna
Olivia K.
Italy · Feb 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Omar
GotoeSIM Support
· 6 months ago Thanks a lot, Olivia! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Omar
Budi K.
Philippines · Feb 2026
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 6 months ago Really appreciate this, Budi! Love that you were online the moment you landed in Japan & South Korea. – Grace 💜
Haruto W.
India · Feb 2026
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Made staying connected effortless.
Ken
GotoeSIM Support
· 6 months ago Really appreciate this, Haruto! Thrilled it made staying connected effortless. – Ken 💜
Pablo C.
Philippines · Feb 2026
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Ken
GotoeSIM Support
· 6 months ago Cheers, Pablo! Delighted the speeds worked well for you. – Ken 💜
Mei H.
Philippines · Feb 2026
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Made staying connected effortless.
Laura
GotoeSIM Support
· 6 months ago Thanks for sharing, Mei! So pleased it saved you from roaming bills. Enjoy your journeys! – Laura 💜
Lucia F.
Germany · Feb 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 6 months ago Cheers, Lucia! Wonderful to hear it worked smoothly in Japan & South Korea. – Mark, eSIM TopUp Support
Mateo K.
Germany · Feb 2026
Saved me a fortune on my holiday. Coverage was strong even outside the city.
Sophie
GotoeSIM Support
· 6 months ago So glad to hear this, Mateo! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Sophie
Camila T.
UAE · Feb 2026
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Great experience overall.
Sara
GotoeSIM Support
· 6 months ago Cheers, Camila! Delighted the speeds worked well for you. We're here whenever you travel again. – Sara, eSIM TopUp Support
Grace P.
Canada · Feb 2026
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Telling my friends about this.
Yuki
GotoeSIM Support
· 6 months ago Thanks for sharing, Grace! Delighted the speeds worked well for you. – Yuki 💜
Pablo K.
United Kingdom · Feb 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 6 months ago So glad to hear this, Pablo! So pleased it saved you from roaming bills. – Diego 💜
Katya B.
Brazil · Feb 2026
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Telling my friends about this.
David
GotoeSIM Support
· 6 months ago Thank you for the kind words, Katya! So pleased it saved you from roaming bills. — David
Ravi F.
Switzerland · Feb 2026
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 6 months ago Thanks a lot, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Emma
Sri B.
Japan · Feb 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering. Would definitely buy again.
Anna
GotoeSIM Support
· 6 months ago Thanks for sharing, Sri! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Anna
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. · 3 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.