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
Max F.
UAE · May 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas.
Grace
GotoeSIM Support
· 1 year ago Cheers, Max! Delighted the speeds worked well for you. Enjoy your journeys! — Grace, eSIM TopUp Support
Isabella V.
Germany · May 2025
Did the job without any drama. Signal held up well on trains and in rural areas. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Isabella! So pleased it saved you from roaming bills. Enjoy your journeys! – Anna, eSIM TopUp Support
Viktor F.
Singapore · May 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Five stars from me.
Grace
GotoeSIM Support
· 1 year ago Cheers, Viktor! So pleased it saved you from roaming bills. Come back anytime! – Grace, eSIM TopUp Support
Priya F.
Portugal · May 2025
Did the job without any drama in Japan & South Korea. Streaming and video calls worked without buffering. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Priya! Delighted the speeds worked well for you. – Anna, eSIM TopUp Support
Ravi W.
Turkey · May 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Omar, eSIM TopUp Support
Anna D.
United States · May 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas. Telling my friends about this.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Anna! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ken 💜
Omar P.
Philippines · May 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Omar! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Ingrid 💜
Thomas S.
Mexico · May 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Thomas! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Sara 💜
Zoe B.
Netherlands · May 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 1 year ago Thanks for sharing, Zoe! Love that you were online the moment you landed in Japan & South Korea. – Sara 💜
Anna F.
Vietnam · May 2025
Bought it the night before my flight — smooth process. Ran hotspot to my laptop with no issues.
David
GotoeSIM Support
· 1 year ago So glad to hear this, Anna! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — David, eSIM TopUp Support
Sri T.
Vietnam · May 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Sri! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Sara 💜
Somchai V.
Poland · May 2025
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city. Telling my friends about this.
Diego
GotoeSIM Support
· 1 year ago Cheers, Somchai! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Diego, eSIM TopUp Support
Hugo B.
Canada · May 2025
Did the job without any drama. Topping up was straightforward when I needed more. Would definitely buy again.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Hugo! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Sri L.
Ireland · May 2025
Saved me a fortune on my holiday. Activation was automatic when I arrived. Exactly as described — no surprises.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Sri! So pleased it saved you from roaming bills. We're here whenever you travel again. – Ken, eSIM TopUp Support
Isabella K.
Vietnam · Apr 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Zero regrets.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Isabella! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Grace, eSIM TopUp Support
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. · 5 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. · 7 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. · 10 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.