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
Mei B.
Poland · Oct 2025
Worked fine but took a little while to connect at first. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 9 months ago Thank you for taking the time, Mei. 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. – Mark 💜
Priya V.
Thailand · Oct 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Would definitely buy again.
James
GotoeSIM Support
· 9 months ago Really appreciate this, Priya! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — James
Thomas B.
Malaysia · Oct 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data.
Emma
GotoeSIM Support
· 9 months ago Thanks a lot, Thomas! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Emma, eSIM TopUp Support
Budi G.
Malaysia · Oct 2025
Worked fine but took a little while to connect at first. Data lasted the whole trip with room to spare.
Sophie
GotoeSIM Support
· 9 months ago Appreciate you sharing this, Budi. 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. – Sophie, eSIM TopUp Support
Noah L.
Vietnam · Oct 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Highly recommend for any traveller.
Ken
GotoeSIM Support
· 9 months ago Thanks for sharing, Noah! So pleased it saved you from roaming bills. Enjoy your journeys! — Ken, eSIM TopUp Support
Viktor H.
Philippines · Oct 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Great experience overall.
Anna
GotoeSIM Support
· 9 months ago Thank you for the kind words, Viktor! Thrilled it made staying connected effortless. — Anna, eSIM TopUp Support
Aisha V.
United Kingdom · Oct 2025
Connected the moment I landed in Japan & South Korea. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 9 months ago Cheers, Aisha! Great to know the setup was quick and easy. We're here whenever you travel again. – Anna 💜
Mei G.
United Kingdom · Oct 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived.
James
GotoeSIM Support
· 9 months ago Thanks a lot, Mei! Wonderful to hear it worked smoothly in Japan & South Korea. – James 💜
Olivia K.
Indonesia · Oct 2025
Install took me two tries but was fine after that.
Sophie
GotoeSIM Support
· 10 months ago So sorry to hear this, Olivia. This isn't the standard we aim for. Reach our team at esimtopup.io/support so we can help right away. — Sophie, eSIM TopUp Support
Beatriz H.
United Kingdom · Oct 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Ingrid
GotoeSIM Support
· 10 months ago So glad to hear this, Beatriz! So pleased it saved you from roaming bills. — Ingrid
Viktor R.
France · Oct 2025
Super easy to set up before I flew out in Japan & South Korea. Topping up was straightforward when I needed more.
Mark
GotoeSIM Support
· 10 months ago Cheers, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. — Mark, eSIM TopUp Support
Ryan S.
New Zealand · Oct 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. A must-have for international travel.
Omar
GotoeSIM Support
· 10 months ago So glad to hear this, Ryan! Delighted the speeds worked well for you. — Omar
Sofia M.
Netherlands · Oct 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 10 months ago Thank you for the kind words, Sofia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Laura 💜
Wei M.
United Kingdom · Oct 2025
Solid overall, just wish there was a bit more data for the price.
Mark
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Wei. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at esimtopup.io/support. – Mark, eSIM TopUp Support
Somchai P.
Canada · Oct 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. Would definitely buy again.
Priya
GotoeSIM Support
· 10 months ago Thank you for the kind words, Somchai! So pleased it saved you from roaming bills. – Priya 💜
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?