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
Isabella T.
Saudi Arabia · Nov 2025
Did the job without any drama in Japan & South Korea. Topping up was straightforward when I needed more.
Emma
GotoeSIM Support
· 8 months ago Cheers, Isabella! So pleased it saved you from roaming bills. – Emma, eSIM TopUp Support
Budi T.
Vietnam · Nov 2025
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 8 months ago So glad to hear this, Budi! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Grace 💜
Sarah P.
Portugal · Nov 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Made staying connected effortless.
Tom
GotoeSIM Support
· 8 months ago Thanks a lot, Sarah! So happy the Japan & South Korea eSIM kept you connected. – Tom, eSIM TopUp Support
Katya B.
Brazil · Nov 2025
Connected the moment I landed. Activation was automatic when I arrived. Great experience overall.
Priya
GotoeSIM Support
· 9 months ago Thanks for sharing, Katya! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Priya, eSIM TopUp Support
Mei M.
Singapore · Nov 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. I kept my normal number for calls while using this for data. Would definitely buy again.
Omar
GotoeSIM Support
· 9 months ago Cheers, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. — Omar, eSIM TopUp Support
Zoe S.
Indonesia · Nov 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Zero regrets.
Priya
GotoeSIM Support
· 9 months ago Really appreciate this, Zoe! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Priya
James D.
Mexico · Nov 2025
Decent speeds, though slower than I expected in a few spots. Coverage was strong even outside the city.
Omar
GotoeSIM Support
· 9 months ago We're really sorry, James. This isn't the standard we aim for. Please contact us at esimtopup.io/support and we'll sort it out. — Omar, eSIM TopUp Support
Sri G.
Vietnam · Nov 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Would definitely buy again.
Tom
GotoeSIM Support
· 9 months ago Cheers, Sri! Love that you were online the moment you landed in Japan & South Korea. — Tom, eSIM TopUp Support
Sri G.
South Korea · Nov 2025
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 9 months ago Really appreciate this, Sri! Great to know the setup was quick and easy. Enjoy your journeys! – Omar 💜
Emma H.
South Korea · Nov 2025
Connected the moment I landed. Activation was automatic when I arrived.
Emma
GotoeSIM Support
· 9 months ago Thank you for the kind words, Emma! Thrilled it made staying connected effortless. Enjoy your journeys! – Emma 💜
Nadia T.
Ireland · Nov 2025
Decent speeds, though slower than I expected in a few spots. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 9 months ago So sorry to hear this, Nadia. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. — Sara
Andre P.
Egypt · Nov 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 9 months ago Cheers, Andre! Love that you were online the moment you landed in Japan & South Korea. – Mark, eSIM TopUp Support
Grace C.
Mexico · Oct 2025
First time using an eSIM and it was painless in Japan & South Korea. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Emma
GotoeSIM Support
· 9 months ago Thanks for sharing, Grace! Great to know the setup was quick and easy. Come back anytime! — Emma, eSIM TopUp Support
Nguyen V.
Poland · Oct 2025
Exactly what I needed for travelling. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
James
GotoeSIM Support
· 9 months ago Thanks a lot, Nguyen! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! – James 💜
Arjun V.
Saudi Arabia · Oct 2025
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple. Five stars from me.
Emma
GotoeSIM Support
· 9 months ago Cheers, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Emma 💜
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?