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
Fatima B.
Canada · Jan 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Will use eSIM TopUp for my next trip for sure.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Wonderful to hear it worked smoothly in Japan & South Korea. — Tom, eSIM TopUp Support
Carlos N.
Thailand · Jan 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Carlos! Delighted the speeds worked well for you. — Tom, eSIM TopUp Support
Hugo P.
Ireland · Jan 2025
Exactly what I needed for travelling. The QR code arrived instantly by email. Zero regrets.
Emma
GotoeSIM Support
· 1 year ago Thanks a lot, Hugo! So pleased it saved you from roaming bills. Enjoy your journeys! — Emma, eSIM TopUp Support
Yuki N.
Ireland · Jan 2025
Decent speeds, though slower than I expected in a few spots. Customer support answered my question quickly.
Anna
GotoeSIM Support
· 1 year ago Thank you for taking the time, Yuki. 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. – Anna, eSIM TopUp Support
Wei V.
United States · Jan 2025
Good coverage in the city, a bit patchy in remote areas.
Ingrid
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Wei. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Ingrid
Sven B.
Germany · Jan 2025
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. A must-have for international travel.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Sven! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Sara, eSIM TopUp Support
Pablo P.
Netherlands · Jan 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. Five stars from me.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Pablo! Delighted the speeds worked well for you. We're here whenever you travel again. – Ken, eSIM TopUp Support
Hana T.
Germany · Jan 2025
Worked fine but took a little while to connect at first. I kept my normal number for calls while using this for data.
Anna
GotoeSIM Support
· 1 year ago So sorry to hear this, Hana. We'd love the chance to make this right. Reach our team at esimtopup.io/support so we can help right away. — Anna
Chloe L.
Ireland · Jan 2025
Exactly what I needed for travelling in Japan & South Korea. Streaming and video calls worked without buffering.
Ken
GotoeSIM Support
· 1 year ago Thanks a lot, Chloe! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Ken 💜
Ravi F.
Germany · Jan 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple.
James
GotoeSIM Support
· 1 year ago Thank you so much, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – James, eSIM TopUp Support
Noah C.
Sweden · Jan 2025
Honestly better than buying a local SIM at the airport. Activation was automatic when I arrived. Made staying connected effortless.
Priya
GotoeSIM Support
· 1 year ago Thank you for the kind words, Noah! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Priya, eSIM TopUp Support
Olivia S.
Netherlands · Jan 2025
Did the job without any drama. Activation was automatic when I arrived. Zero regrets.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Olivia! So happy the Japan & South Korea eSIM kept you connected. — Yuki, eSIM TopUp Support
Pablo K.
India · Jan 2025
Did the job without any drama in Japan & South Korea. Data lasted the whole trip with room to spare.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Pablo! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – James 💜
Noah T.
Canada · Jan 2025
Super easy to set up before I flew out. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago Thanks for sharing, Noah! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Diego
Thomas S.
Indonesia · Jan 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Telling my friends about this.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Thomas! Delighted the speeds worked well for you. – Mark 💜
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?