Japan & South Korea eSIM — reviews & details
Japan & South Korea 5GB 30Days · 5 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Grace L.
Brazil · Mar 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Grace! Great to know the setup was quick and easy. — Grace
Lucas G.
Australia · Mar 2025
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Lucas! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Yuki, eSIM TopUp Support
Arjun K.
Sweden · Mar 2025
Super easy to set up before I flew out. Coverage was strong even outside the city. Telling my friends about this.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Arjun! So pleased it saved you from roaming bills. We're here whenever you travel again. – Sara, eSIM TopUp Support
Pablo C.
Netherlands · Mar 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago Cheers, Pablo! Love that you were online the moment you landed in Japan & South Korea. – Tom, eSIM TopUp Support
Lucia B.
Turkey · Mar 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Lucia! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Diego, eSIM TopUp Support
Thomas C.
United States · Mar 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Thomas! Thrilled it made staying connected effortless. We're here whenever you travel again. – Sophie, eSIM TopUp Support
Carlos D.
Vietnam · Mar 2025
Connected the moment I landed. Activation was automatic when I arrived. Zero regrets.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Carlos! Great to know the setup was quick and easy. – Sara, eSIM TopUp Support
Liam K.
Brazil · Mar 2025
Did the job without any drama. Setup instructions in the app were clear and simple. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Liam! Thrilled it made staying connected effortless. Come back anytime! – James 💜
Somchai V.
Japan · Mar 2025
Used this on my trip and it worked perfectly. Coverage was strong even outside the city.
Anna
GotoeSIM Support
· 1 year ago Cheers, Somchai! Delighted the speeds worked well for you. — Anna, eSIM TopUp Support
Viktor D.
Poland · Mar 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Viktor! Delighted the speeds worked well for you. Enjoy your journeys! – Sara, eSIM TopUp Support
Liam B.
Canada · Mar 2025
Used this on my trip and it worked perfectly. 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 a lot, Liam! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Yuki 💜
Olivia K.
Netherlands · Mar 2025
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Olivia! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – David 💜
Daniel P.
UAE · Mar 2025
Did the job without any drama. Activation was automatic when I arrived. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago Cheers, Daniel! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Grace, eSIM TopUp Support
Thomas V.
Portugal · Mar 2025
Connected the moment I landed in Japan & South Korea. Signal held up well on trains and in rural areas.
Grace
GotoeSIM Support
· 1 year ago Cheers, Thomas! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Grace, eSIM TopUp Support
Omar C.
UAE · Mar 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Omar! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Omar
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 5GB 30Days plan costs $9.75 for 5 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
Emma M. · 2 months ago
Can I use this for hotspot/tethering?
Andre H. · 2 months ago
Is 5G supported or just 4G?
Elena H. · 3 months ago
Thanks, installed with no problems on my Samsung.
Arjun N. · 4 months ago
How do I check how much data I have left?
Lucia L. · 4 months ago
Will this keep my WhatsApp active with my home number?
Mohammed P. · 6 months ago
Which networks does this connect to?
Katya C. · 7 months ago
Can I use it in nearby countries too?
Liam G. · 7 months ago
Can I top up the same eSIM instead of buying a new one?
Emma C. · 7 months ago
Great guide, the setup steps were really helpful.
Katya K. · 9 months ago
How long does the QR code take to arrive after payment?
Lea N. · 1 year ago
Does the validity start on purchase or on first use?
Marco N. · 1 year ago
Do I need to install it before I travel or after I arrive?