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
Ethan R.
Ireland · Jun 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Ethan! Thrilled it made staying connected effortless. – Mark, eSIM TopUp Support
Zoe B.
Malaysia · Jun 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Zoe! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Sara, eSIM TopUp Support
Wei F.
South Korea · May 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Wei! So pleased it saved you from roaming bills. Come back anytime! — Sophie, eSIM TopUp Support
Daniel C.
United Kingdom · May 2025
Used this on my trip and it worked perfectly in Japan & South Korea. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Really appreciate this, Daniel! So happy the Japan & South Korea eSIM kept you connected. — Priya
Viktor T.
Malaysia · May 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Viktor! So pleased it saved you from roaming bills. Enjoy your journeys! – Priya 💜
Ava G.
UAE · May 2025
Connected the moment I landed. Customer support answered my question quickly.
James
GotoeSIM Support
· 1 year ago Thank you so much, Ava! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – James 💜
Sri C.
Indonesia · May 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sri! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Ken, eSIM TopUp Support
Sri T.
Canada · May 2025
Did the job without any drama. Signal held up well on trains and in rural areas.
Anna
GotoeSIM Support
· 1 year ago Really appreciate this, Sri! Delighted the speeds worked well for you. Come back anytime! – Anna 💜
Lucas D.
Philippines · May 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Telling my friends about this.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Lucas! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Emma, eSIM TopUp Support
Zoe G.
Thailand · Apr 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 1 year ago Cheers, Zoe! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Sophie 💜
Carlos D.
Germany · Apr 2025
Super easy to set up before I flew out. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Tom
GotoeSIM Support
· 1 year ago Cheers, Carlos! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Tom 💜
Mei H.
Switzerland · Apr 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Signal held up well on trains and in rural areas.
Grace
GotoeSIM Support
· 1 year ago Cheers, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Grace, eSIM TopUp Support
Olivia M.
Egypt · Mar 2025
Saved me a fortune on my holiday. Topping up was straightforward when I needed more.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Olivia! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Tom, eSIM TopUp Support
Ji-woo D.
Singapore · Mar 2025
Connected the moment I landed. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Ji-woo! So pleased it saved you from roaming bills. Come back anytime! — Diego
Budi T.
Philippines · Mar 2025
Exactly what I needed for travelling. Coverage was strong even outside the city. Would definitely buy again.
Yuki
GotoeSIM Support
· 1 year ago Thank you for the kind words, Budi! Delighted the speeds worked well for you. — Yuki
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.