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
Hana H.
Vietnam · Mar 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas. Would definitely buy again.
Priya
GotoeSIM Support
· 1 year ago Really appreciate this, Hana! Wonderful to hear it worked smoothly in Japan & South Korea. — Priya, eSIM TopUp Support
Ji-woo H.
New Zealand · Mar 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Ji-woo! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Sara, eSIM TopUp Support
Priya H.
India · Mar 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering. Made staying connected effortless.
Priya
GotoeSIM Support
· 1 year ago Thank you so much, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Priya, eSIM TopUp Support
Beatriz T.
Switzerland · Mar 2025
Connected the moment I landed. The QR code arrived instantly by email. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Cheers, Beatriz! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Ingrid
Camila T.
Ireland · Mar 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Camila! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Diego, eSIM TopUp Support
Mateo W.
Singapore · Mar 2025
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Mateo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Tom, eSIM TopUp Support
Zoe M.
Canada · Mar 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Zoe! Great to know the setup was quick and easy. We're here whenever you travel again. – Sophie 💜
Fatima P.
Australia · Mar 2025
Connected the moment I landed in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, Fatima! Delighted the speeds worked well for you. We're here whenever you travel again. — Sophie, eSIM TopUp Support
Lucas L.
Italy · Mar 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Data lasted the whole trip with room to spare. Telling my friends about this.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Lucas! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Anna, eSIM TopUp Support
Mei S.
United States · Mar 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Five stars from me.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Mei! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Sofia F.
Italy · Mar 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sofia! Great to know the setup was quick and easy. — Omar, eSIM TopUp Support
Kenji P.
Egypt · Mar 2025
Connected the moment I landed. Setup instructions in the app were clear and simple.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Kenji! So pleased it saved you from roaming bills. Come back anytime! — Mark
Max G.
Netherlands · Mar 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Made staying connected effortless.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Max! Love that you were online the moment you landed in Japan & South Korea. – Laura 💜
Carlos L.
India · Mar 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Carlos! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Yuki 💜
Yuki L.
United Kingdom · Mar 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Made staying connected effortless.
David
GotoeSIM Support
· 1 year ago So glad to hear this, Yuki! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — David
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. · 5 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. · 7 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. · 10 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.