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
Haruto H.
Poland · Jun 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Haruto! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ingrid
Ravi D.
Saudi Arabia · Jun 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Ravi! So happy the Japan & South Korea eSIM kept you connected. – Mark, eSIM TopUp Support
Noah G.
Brazil · Jun 2025
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues.
Mark
GotoeSIM Support
· 1 year ago Cheers, Noah! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Mark, eSIM TopUp Support
Katya F.
Sweden · Jun 2025
Bought it the night before my flight — smooth process. Streaming and video calls worked without buffering.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Katya! So pleased it saved you from roaming bills. Come back anytime! – Ken 💜
Nadia S.
Sweden · May 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Topping up was straightforward when I needed more. Would definitely buy again.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Nadia! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Anna, eSIM TopUp Support
Camila S.
India · May 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! So pleased it saved you from roaming bills. Come back anytime! – Diego, eSIM TopUp Support
Min-jun S.
India · May 2025
Decent speeds, though slower than I expected in a few spots.
Yuki
GotoeSIM Support
· 1 year ago Thank you for taking the time, Min-jun. Good to hear it did the job, and we're working to make it even better. Reach us anytime at esimtopup.io/support if we can help. – Yuki 💜
Louis K.
Vietnam · May 2025
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Telling my friends about this.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Louis! Delighted the speeds worked well for you. Enjoy your journeys! — Priya
Ravi B.
Egypt · May 2025
Did the job without any drama. Streaming and video calls worked without buffering.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Ravi! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Diego, eSIM TopUp Support
Isabella G.
Philippines · May 2025
Super easy to set up before I flew out in Japan & South Korea. Data lasted the whole trip with room to spare. Telling my friends about this.
Ken
GotoeSIM Support
· 1 year ago Thank you for the kind words, Isabella! Delighted the speeds worked well for you. Enjoy your journeys! — Ken
Beatriz S.
UAE · May 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Beatriz! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Diego 💜
Zoe H.
Portugal · May 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Zoe! Delighted the speeds worked well for you. Come back anytime! – Mark 💜
Camila F.
Switzerland · May 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 1 year ago Thank you so much, Camila! Delighted the speeds worked well for you. Enjoy your journeys! — Priya, eSIM TopUp Support
Fatima V.
Spain · May 2025
Did the job without any drama. The QR code arrived instantly by email.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Fatima! So pleased it saved you from roaming bills. — Sara, eSIM TopUp Support
Zoe T.
Philippines · May 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Zoe! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Emma, 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?