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
Budi D.
Singapore · Jul 2025
Super easy to set up before I flew out in Japan & South Korea. Streaming and video calls worked without buffering.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Budi! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Grace
Min-jun F.
Sweden · Jul 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Min-jun! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — David, eSIM TopUp Support
Carlos V.
Canada · Jul 2025
Decent speeds, though slower than I expected in a few spots. I kept my normal number for calls while using this for data.
Yuki
GotoeSIM Support
· 1 year ago Thank you for taking the time, Carlos. 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. – Yuki 💜
Beatriz R.
Mexico · Jul 2025
Installed in minutes by scanning the QR code. The QR code arrived instantly by email. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 year ago Cheers, Beatriz! So pleased it saved you from roaming bills. Enjoy your journeys! — Omar
Fatima N.
Australia · Jul 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Topping up was straightforward when I needed more.
Tom
GotoeSIM Support
· 1 year ago Thanks a lot, Fatima! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Tom, eSIM TopUp Support
Max H.
Vietnam · Jul 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived in Japan & South Korea. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 1 year ago Thank you so much, Max! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Diego 💜
Ingrid W.
South Korea · Jul 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Would definitely buy again.
Ingrid
GotoeSIM Support
· 1 year ago Thanks for sharing, Ingrid! Delighted the speeds worked well for you. Enjoy your journeys! — Ingrid
Marco G.
Philippines · Jul 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. A must-have for international travel.
David
GotoeSIM Support
· 1 year ago Thank you for the kind words, Marco! So pleased it saved you from roaming bills. — David
Noah M.
Sweden · Jun 2025
Saved me a fortune on my holiday. The QR code arrived instantly by email. Zero regrets.
Grace
GotoeSIM Support
· 1 year ago So glad to hear this, Noah! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Grace, eSIM TopUp Support
Viktor P.
United States · Jun 2025
Worked fine but took a little while to connect at first.
David
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Viktor. 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. – David, eSIM TopUp Support
Anna H.
Saudi Arabia · Jun 2025
Exactly what I needed for travelling. Coverage was strong even outside the city. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Anna! Wonderful to hear it worked smoothly in Japan & South Korea. — James, eSIM TopUp Support
Ava R.
Vietnam · Jun 2025
Super easy to set up before I flew out. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Ava! Love that you were online the moment you landed in Japan & South Korea. – Grace 💜
Ananya C.
Thailand · Jun 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Ananya! So pleased it saved you from roaming bills. Come back anytime! — Ingrid, eSIM TopUp Support
Ethan B.
Singapore · Jun 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Zero regrets.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ethan! Great to know the setup was quick and easy. Enjoy your journeys! – Ingrid, eSIM TopUp Support
Elena C.
Vietnam · Jun 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Great experience overall.
Omar
GotoeSIM Support
· 1 year ago Cheers, Elena! Delighted the speeds worked well for you. – Omar 💜
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. · 1 month 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. · 4 months ago
Can I use this for hotspot/tethering?
Arjun S. · 5 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?