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
Hugo M.
South Korea · May 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Telling my friends about this.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hugo! Thrilled it made staying connected effortless. – Sophie, eSIM TopUp Support
Fatima P.
India · May 2025
Connected the moment I landed in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Zero regrets.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Fatima! Thrilled it made staying connected effortless. Come back anytime! — Sophie
Sarah K.
Mexico · May 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare.
Ken
GotoeSIM Support
· 1 year ago Cheers, Sarah! So pleased it saved you from roaming bills. Enjoy your journeys! – Ken 💜
Ava H.
United States · Apr 2025
Bought it the night before my flight — smooth process. I kept my normal number for calls while using this for data. Would definitely buy again.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Ava! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Sophie, eSIM TopUp Support
Olivia C.
Germany · Apr 2025
Good coverage in the city, a bit patchy in remote areas. Coverage was strong even outside the city.
Grace
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Olivia. 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. – Grace, eSIM TopUp Support
Ryan K.
Turkey · Apr 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Ryan! Delighted the speeds worked well for you. Come back anytime! — Tom, eSIM TopUp Support
Elena G.
Saudi Arabia · Apr 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. – Diego, eSIM TopUp Support
Anna M.
Canada · Apr 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Coverage was strong even outside the city. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Anna! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Tom 💜
Somchai F.
Egypt · Apr 2025
Bought it the night before my flight — smooth process in Japan & South Korea. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Somchai! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Ingrid 💜
Lea K.
Ireland · Apr 2025
Worked fine but took a little while to connect at first.
Omar
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Lea. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at esimtopup.io/support if we can help. — Omar, eSIM TopUp Support
Budi S.
Singapore · Apr 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Five stars from me.
Mark
GotoeSIM Support
· 1 year ago Thank you for the kind words, Budi! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Mark, eSIM TopUp Support
Sophia D.
Switzerland · Apr 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sophia! Delighted the speeds worked well for you. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Wei C.
New Zealand · Apr 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 1 year ago Really appreciate this, Wei! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Yuki, eSIM TopUp Support
Daniel G.
New Zealand · Apr 2025
Install took me two tries but was fine after that. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 year ago So sorry to hear this, Daniel. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. – Yuki 💜
Omar D.
Spain · Apr 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Ran hotspot to my laptop with no issues. Zero regrets.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Omar! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Grace, 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?