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
Ji-woo M.
Portugal · Oct 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 10 months ago Cheers, Ji-woo! Great to know the setup was quick and easy. — Sophie
Andre R.
United States · Oct 2025
Connected the moment I landed in Japan & South Korea. Signal held up well on trains and in rural areas. Will use eSIM TopUp for my next trip for sure.
Grace
GotoeSIM Support
· 10 months ago Cheers, Andre! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Grace, eSIM TopUp Support
Emma M.
Sweden · Oct 2025
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Five stars from me.
Grace
GotoeSIM Support
· 10 months ago Thanks a lot, Emma! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – Grace 💜
Andre N.
Turkey · Sep 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Ran hotspot to my laptop with no issues. Zero regrets.
Emma
GotoeSIM Support
· 10 months ago Thank you so much, Andre! Great to know the setup was quick and easy. – Emma 💜
Yuki G.
Mexico · Sep 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
James
GotoeSIM Support
· 10 months ago Thanks a lot, Yuki! Great to know the setup was quick and easy. Enjoy your journeys! — James, eSIM TopUp Support
Sophia K.
Brazil · Sep 2025
Super easy to set up before I flew out. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 10 months ago So glad to hear this, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Tom, eSIM TopUp Support
Katya R.
Switzerland · Sep 2025
Did the job without any drama. The QR code arrived instantly by email. Would definitely buy again.
Sophie
GotoeSIM Support
· 10 months ago Really appreciate this, Katya! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Sophie, eSIM TopUp Support
Nadia G.
Sweden · Sep 2025
Great value compared to roaming charges. Speeds were solid for maps, messaging and browsing. Would definitely buy again.
Yuki
GotoeSIM Support
· 10 months ago So glad to hear this, Nadia! Great to know the setup was quick and easy. Wishing you many more connected adventures! — Yuki, eSIM TopUp Support
Kenji R.
Saudi Arabia · Sep 2025
Connected the moment I landed. Setup instructions in the app were clear and simple.
David
GotoeSIM Support
· 10 months ago Really appreciate this, Kenji! So pleased it saved you from roaming bills. — David, eSIM TopUp Support
Omar K.
Italy · Sep 2025
Exactly what I needed for travelling. Signal held up well on trains and in rural areas.
Ken
GotoeSIM Support
· 10 months ago Thank you for the kind words, Omar! Thrilled it made staying connected effortless. – Ken, eSIM TopUp Support
Sophia L.
New Zealand · Sep 2025
Did the job without any drama. Topping up was straightforward when I needed more. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 10 months ago Thank you for the kind words, Sophia! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Ken, eSIM TopUp Support
Sarah T.
Switzerland · Sep 2025
Exactly what I needed for travelling. Speeds were solid for maps, messaging and browsing. Great experience overall.
Ingrid
GotoeSIM Support
· 10 months ago Thanks a lot, Sarah! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Ingrid, eSIM TopUp Support
Beatriz S.
Egypt · Sep 2025
Connected the moment I landed. Activation was automatic when I arrived. A must-have for international travel.
Diego
GotoeSIM Support
· 10 months ago Really appreciate this, Beatriz! Thrilled it made staying connected effortless. — Diego, eSIM TopUp Support
Kenji P.
Australia · Sep 2025
Good coverage in the city, a bit patchy in remote areas. Topping up was straightforward when I needed more.
Ken
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Kenji. 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. – Ken 💜
Daniel H.
France · Sep 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues.
James
GotoeSIM Support
· 10 months ago Thanks a lot, Daniel! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – James 💜
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?