Japan & South Korea eSIM — reviews & details
Japan & South Korea 10GB 30days · 10 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Nadia G.
Sweden · Sep 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Yuki
GotoeSIM Support
· 10 months ago So glad to hear this, Nadia! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki, eSIM TopUp Support
Kenji R.
Saudi Arabia · Sep 2025
Connected the moment I landed. Setup instructions in the app were clear and simple.
David
GotoeSIM Support
· 10 months ago Really appreciate this, Kenji! So pleased it saved you from roaming bills. — David, eSIM TopUp Support
Omar K.
Italy · Sep 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Ken
GotoeSIM Support
· 10 months ago Thank you for the kind words, Omar! Thrilled it made staying connected effortless. – Ken, eSIM TopUp Support
Ananya D.
Turkey · Sep 2025
Did the job without any drama in Japan & South Korea. Coverage was strong even outside the city.
Omar
GotoeSIM Support
· 11 months ago Thank you for the kind words, Ananya! So pleased it saved you from roaming bills. – Omar, eSIM TopUp Support
Thomas H.
Sweden · Sep 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Would definitely buy again.
Ingrid
GotoeSIM Support
· 11 months ago Thanks a lot, Thomas! Wonderful to hear it worked smoothly in Japan & South Korea. – Ingrid, eSIM TopUp Support
Ava F.
Brazil · Aug 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 11 months ago Thank you for the kind words, Ava! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Diego 💜
Beatriz M.
Portugal · Aug 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Would definitely buy again.
Laura
GotoeSIM Support
· 11 months ago Thank you for the kind words, Beatriz! Great to know the setup was quick and easy. We're here whenever you travel again. – Laura, eSIM TopUp Support
Linh V.
Switzerland · Aug 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city.
Diego
GotoeSIM Support
· 11 months ago Thank you for the kind words, Linh! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Diego, eSIM TopUp Support
Arjun D.
Spain · Aug 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Ran hotspot to my laptop with no issues. Would definitely buy again.
Omar
GotoeSIM Support
· 11 months ago Thanks a lot, Arjun! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Omar, eSIM TopUp Support
Ingrid C.
Portugal · Aug 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan & South Korea.
Sara
GotoeSIM Support
· 11 months ago So glad to hear this, Ingrid! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Sara
Priya F.
Portugal · Aug 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. A must-have for international travel.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Laura, eSIM TopUp Support
Mei N.
Australia · Aug 2025
Great value compared to roaming charges. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Emma
GotoeSIM Support
· 1 year ago Cheers, Mei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Emma, eSIM TopUp Support
Daniel T.
France · Jul 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 year ago Cheers, Daniel! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Mark 💜
Liam R.
South Korea · Jul 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago Thanks a lot, Liam! So pleased it saved you from roaming bills. — Mark, eSIM TopUp Support
Priya F.
Canada · Jul 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Priya! Great to know the setup was quick and easy. – Yuki, eSIM TopUp Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 10GB 30days plan costs $19.20 for 10 GB over 30 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
Lea T. · 4 weeks ago
Can I top up the same eSIM instead of buying a new one?
Mohammed H. · 1 month ago
How long does the QR code take to arrive after payment?
Ji-woo R. · 3 months ago
Is roaming charged extra or is it all included?
Budi C. · 3 months ago
Can I use this for hotspot/tethering?
Arjun S. · 4 months ago
Does the validity start on purchase or on first use?
Sven R. · 5 months ago
Which networks does this connect to?
Sarah D. · 7 months ago
Can I use it in nearby countries too?
Mei B. · 7 months ago
Thanks, installed with no problems on my Samsung.
Wei T. · 7 months ago
Is 5G supported or just 4G?
Wei D. · 9 months ago
How do I check how much data I have left?
Isabella H. · 9 months ago
Great guide, the setup steps were really helpful.
Fatima K. · 1 year ago
Does this work on an iPhone 13?