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
Marco H.
Mexico · Aug 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Made staying connected effortless.
James
GotoeSIM Support
· 5 days ago Thank you so much, Marco! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – James, eSIM TopUp Support
Isabella T.
Spain · Aug 2026
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 5 days ago Thank you so much, Isabella! So pleased it saved you from roaming bills. Come back anytime! – Sophie, eSIM TopUp Support
Priya C.
South Korea · Aug 2026
First time using an eSIM and it was painless in Japan & South Korea. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 5 days ago Thanks for sharing, Priya! So pleased it saved you from roaming bills. — Anna
Kenji N.
France · Aug 2026
Connected the moment I landed. Customer support answered my question quickly. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 week ago Thanks a lot, Kenji! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Ken
Elena R.
Canada · Jul 2026
Used this on my trip and it worked perfectly. Customer support answered my question quickly. A must-have for international travel.
Sophie
GotoeSIM Support
· 3 weeks ago So glad to hear this, Elena! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Sophie, eSIM TopUp Support
Lea R.
Italy · Jul 2026
Did the job without any drama. Customer support answered my question quickly.
Diego
GotoeSIM Support
· 3 weeks ago Thanks for sharing, Lea! So pleased it saved you from roaming bills. — Diego
Ji-woo G.
Japan · Jul 2026
Did the job without any drama. Customer support answered my question quickly.
Grace
GotoeSIM Support
· 1 month ago Thank you for the kind words, Ji-woo! Thrilled it made staying connected effortless. Come back anytime! – Grace, eSIM TopUp Support
Omar H.
Egypt · Jul 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Zero regrets.
David
GotoeSIM Support
· 1 month ago Thank you for the kind words, Omar! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – David, eSIM TopUp Support
Liam L.
Ireland · Jul 2026
Saved me a fortune on my holiday. Activation was automatic when I arrived in Japan & South Korea.
Ingrid
GotoeSIM Support
· 1 month ago Thanks for sharing, Liam! Great to know the setup was quick and easy. — Ingrid, eSIM TopUp Support
Carlos S.
Spain · Jun 2026
Great value compared to roaming charges. Customer support answered my question quickly. Would definitely buy again.
Anna
GotoeSIM Support
· 1 month ago Thank you so much, Carlos! So pleased it saved you from roaming bills. Come back anytime! — Anna, eSIM TopUp Support
Viktor C.
Egypt · Jun 2026
Did the job without any drama. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 month ago Really appreciate this, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — David
Daniel F.
Germany · Jun 2026
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Sophie
GotoeSIM Support
· 1 month ago Cheers, Daniel! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Sophie
Sophia D.
Poland · May 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Telling my friends about this.
James
GotoeSIM Support
· 2 months ago Really appreciate this, Sophia! Delighted the speeds worked well for you. Come back anytime! – James 💜
Lea P.
Poland · May 2026
Connected the moment I landed. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Diego
GotoeSIM Support
· 2 months ago Thanks a lot, Lea! Delighted the speeds worked well for you. Come back anytime! — Diego, eSIM TopUp Support
Aisha G.
Singapore · May 2026
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more. Zero regrets.
Ken
GotoeSIM Support
· 2 months ago Really appreciate this, Aisha! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ken
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.