Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Anna D.
Canada · Feb 2025
Honestly better than buying a local SIM at the airport. Data lasted the whole trip with room to spare. Five stars from me.
James
GotoeSIM Support
· 1 year ago So glad to hear this, Anna! Thrilled it made staying connected effortless. Enjoy your journeys! – James 💜
Daniel P.
Singapore · Feb 2025
Great value compared to roaming charges. Topping up was straightforward when I needed more. Will use eSIM TopUp for my next trip for sure.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Daniel! Wonderful to hear it worked smoothly in Japan & South Korea. – Mark 💜
Ananya H.
Mexico · Feb 2025
Worked fine but took a little while to connect at first. Customer support answered my question quickly.
David
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Ananya. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at esimtopup.io/support if we can help. – David 💜
Wei G.
Thailand · Feb 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Telling my friends about this.
Grace
GotoeSIM Support
· 1 year ago Thanks for sharing, Wei! So happy the Japan & South Korea eSIM kept you connected. – Grace, eSIM TopUp Support
Isabella T.
France · Feb 2025
Did the job without any drama. I kept my normal number for calls while using this for data. A must-have for international travel.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Isabella! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Anna
Marco N.
Mexico · Feb 2025
Worked fine but took a little while to connect at first.
Priya
GotoeSIM Support
· 1 year ago We're really sorry, Marco. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. – Priya 💜
Isabella W.
Australia · Feb 2025
Installed in minutes by scanning the QR code in Japan & South Korea. I kept my normal number for calls while using this for data.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Isabella! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Diego, eSIM TopUp Support
Somchai S.
Italy · Feb 2025
Did the job without any drama in Japan & South Korea. The QR code arrived instantly by email. Telling my friends about this.
Yuki
GotoeSIM Support
· 1 year ago So glad to hear this, Somchai! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Yuki 💜
Noah P.
Spain · Feb 2025
Connected the moment I landed in Japan & South Korea. Coverage was strong even outside the city. A must-have for international travel.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Noah! Thrilled it made staying connected effortless. Come back anytime! — Sophie
Mohammed G.
Italy · Feb 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Made staying connected effortless.
Ingrid
GotoeSIM Support
· 1 year ago Cheers, Mohammed! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Ingrid
Elena T.
Turkey · Feb 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. – Sara, eSIM TopUp Support
Anna M.
Netherlands · Jan 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Anna! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Sara, eSIM TopUp Support
Budi B.
Sweden · Jan 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Data lasted the whole trip with room to spare. Five stars from me.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Budi! Delighted the speeds worked well for you. Enjoy your journeys! — Yuki, eSIM TopUp Support
Sarah G.
India · Jan 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Five stars from me.
James
GotoeSIM Support
· 1 year ago Really appreciate this, Sarah! Wonderful to hear it worked smoothly in Japan & South Korea. — James, eSIM TopUp Support
Louis H.
Malaysia · Jan 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Data lasted the whole trip with room to spare.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Louis! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Laura 💜
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.03 for 1 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
Marco K. · 1 week ago
How long does the QR code take to arrive after payment?
Beatriz S. · 1 month ago
Does this work on an iPhone 13?
Budi D. · 3 months ago
Will this keep my WhatsApp active with my home number?
Lucas P. · 4 months ago
Is 5G supported or just 4G?
Grace B. · 6 months ago
Thanks, installed with no problems on my Samsung.
Liam L. · 6 months ago
Does the validity start on purchase or on first use?
Beatriz V. · 8 months ago
Which networks does this connect to?
Haruto G. · 9 months ago
Is roaming charged extra or is it all included?
Ryan N. · 9 months ago
Can I use it in nearby countries too?
Ava B. · 10 months ago
Do I need to install it before I travel or after I arrive?
Camila P. · 11 months ago
Can I top up the same eSIM instead of buying a new one?
Sofia B. · 11 months ago
Can I use this for hotspot/tethering?