Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Olivia H.
Sweden · Jul 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Olivia! So happy the Japan & South Korea eSIM kept you connected. — Yuki
Wei H.
Singapore · Jul 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Would definitely buy again.
Mark
GotoeSIM Support
· 1 year ago So glad to hear this, Wei! So pleased it saved you from roaming bills. Come back anytime! — Mark, eSIM TopUp Support
Hugo F.
Malaysia · Jul 2025
Connected the moment I landed. Activation was automatic when I arrived. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Hugo! So happy the Japan & South Korea eSIM kept you connected. – Tom 💜
James S.
Spain · Jul 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, James! Thrilled it made staying connected effortless. Come back anytime! – Sophie, eSIM TopUp Support
Mohammed F.
France · Jul 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Mohammed! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Ethan N.
Poland · Jul 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Ethan! Great to know the setup was quick and easy. – Ingrid 💜
Sven D.
Germany · Jun 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Sven! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
Sven W.
Indonesia · Jun 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Great experience overall.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sven! Delighted the speeds worked well for you. — Ingrid, eSIM TopUp Support
Lucas S.
South Korea · Jun 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 Thanks a lot, Lucas! Great to know the setup was quick and easy. – Laura, eSIM TopUp Support
Grace M.
Thailand · Jun 2025
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
David
GotoeSIM Support
· 1 year ago Thank you so much, Grace! Thrilled it made staying connected effortless. — David
Kenji T.
Thailand · May 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Kenji! So pleased it saved you from roaming bills. We're here whenever you travel again. — Diego
Louis H.
Saudi Arabia · May 2025
Connected the moment I landed in Japan & South Korea. The QR code arrived instantly by email. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago So glad to hear this, Louis! So happy the Japan & South Korea eSIM kept you connected. — Tom, eSIM TopUp Support
Min-jun G.
Poland · May 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Min-jun! Great to know the setup was quick and easy. — Sophie, eSIM TopUp Support
Somchai K.
France · May 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Somchai! Thrilled it made staying connected effortless. — Sophie
Ananya D.
Japan · May 2025
Did the job without any drama. I kept my normal number for calls while using this for data. A must-have for international travel.
Diego
GotoeSIM Support
· 1 year ago Cheers, Ananya! So pleased it saved you from roaming bills. Enjoy your journeys! — Diego
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.03 for 1 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
Marco K. · 1 week ago
How long does the QR code take to arrive after payment?
Beatriz S. · 1 month ago
Does this work on an iPhone 13?
Budi D. · 3 months ago
Will this keep my WhatsApp active with my home number?
Lucas P. · 4 months ago
Is 5G supported or just 4G?
Grace B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Liam L. · 6 months ago
Does the validity start on purchase or on first use?
Beatriz V. · 8 months ago
Which networks does this connect to?
Haruto G. · 9 months ago
Is roaming charged extra or is it all included?
Ryan N. · 9 months ago
Can I use it in nearby countries too?
Ava B. · 10 months ago
Do I need to install it before I travel or after I arrive?
Camila P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Sofia B. · 11 months ago
Can I use this for hotspot/tethering?