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
Ananya B.
Saudi Arabia · Jun 2025
Good coverage in the city, a bit patchy in remote areas. Streaming and video calls worked without buffering.
Priya
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Ananya. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at esimtopup.io/support. – Priya, eSIM TopUp Support
Aisha B.
United Kingdom · Jun 2025
Saved me a fortune on my holiday. Customer support answered my question quickly. A must-have for international travel.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Aisha! Wonderful to hear it worked smoothly in Japan & South Korea. — Yuki, eSIM TopUp Support
Kenji P.
Netherlands · Jun 2025
Install took me two tries but was fine after that.
Omar
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Kenji. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at esimtopup.io/support. — Omar
Andre G.
Malaysia · Jun 2025
Did the job without any drama. Activation was automatic when I arrived. Made staying connected effortless.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Andre! Thrilled it made staying connected effortless. We're here whenever you travel again. — David, eSIM TopUp Support
Daniel R.
Singapore · Jun 2025
Honestly better than buying a local SIM at the airport. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Daniel! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Yuki, eSIM TopUp Support
Beatriz B.
Poland · Jun 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Streaming and video calls worked without buffering. Great experience overall.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Beatriz! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Priya, eSIM TopUp Support
Thomas H.
Thailand · Jun 2025
Exactly what I needed for travelling. The QR code arrived instantly by email.
James
GotoeSIM Support
· 1 year ago Thank you so much, Thomas! Great to know the setup was quick and easy. — James
Budi R.
Sweden · Jun 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Great experience overall.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Budi! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Diego
Carlos D.
Vietnam · Jun 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Would definitely buy again.
David
GotoeSIM Support
· 1 year ago Cheers, Carlos! Delighted the speeds worked well for you. Enjoy your journeys! – David 💜
Emma T.
Mexico · Jun 2025
Connected the moment I landed. Activation was automatic when I arrived. Five stars from me.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Emma! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Sara, eSIM TopUp Support
Carlos P.
Philippines · Jun 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Carlos! Great to know the setup was quick and easy. – Grace, eSIM TopUp Support
Daniel F.
UAE · Jun 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Daniel! So pleased it saved you from roaming bills. – Laura 💜
Daniel F.
United States · Jun 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Customer support answered my question quickly. Five stars from me.
Emma
GotoeSIM Support
· 1 year ago Thank you for the kind words, Daniel! So happy the Japan & South Korea eSIM kept you connected. – Emma 💜
Mohammed K.
Switzerland · Jun 2025
Great value compared to roaming charges. Signal held up well on trains and in rural areas. Made staying connected effortless.
Yuki
GotoeSIM Support
· 1 year ago Thanks a lot, Mohammed! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Yuki 💜
Ananya C.
Italy · Jun 2025
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ananya! Thrilled it made staying connected effortless. — Laura, 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?