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
Sri D.
Canada · Aug 2026
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.
Tom
GotoeSIM Support
· 3 days ago Thank you for the kind words, Sri! So happy the Japan & South Korea eSIM kept you connected. – Tom 💜
Haruto F.
Italy · Aug 2026
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Made staying connected effortless.
Mark
GotoeSIM Support
· 3 days ago Thanks for sharing, Haruto! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Mark, eSIM TopUp Support
Ji-woo P.
Indonesia · Aug 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 4 days ago Really appreciate this, Ji-woo! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Tom 💜
Hugo P.
UAE · Aug 2026
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 6 days ago Thanks for sharing, Hugo! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support
Ravi N.
South Korea · Aug 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 1 week ago So glad to hear this, Ravi! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Sophie, eSIM TopUp Support
Beatriz V.
Thailand · Jul 2026
Used this on my trip and it worked perfectly in Japan & South Korea. Topping up was straightforward when I needed more. A must-have for international travel.
James
GotoeSIM Support
· 1 week ago Thank you so much, Beatriz! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – James 💜
Ananya R.
Egypt · Jul 2026
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Would definitely buy again.
Mark
GotoeSIM Support
· 1 week ago Really appreciate this, Ananya! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Mark, eSIM TopUp Support
Louis P.
UAE · Jul 2026
First time using an eSIM and it was painless. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 2 weeks ago Thank you so much, Louis! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Yuki, eSIM TopUp Support
Omar C.
Turkey · Jul 2026
Great value compared to roaming charges in Japan & South Korea. Coverage was strong even outside the city.
Priya
GotoeSIM Support
· 2 weeks ago Really appreciate this, Omar! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Priya, eSIM TopUp Support
Katya M.
Philippines · Jul 2026
No more hunting for a SIM card kiosk on arrival. Setup instructions in the app were clear and simple.
Ingrid
GotoeSIM Support
· 2 weeks ago Really appreciate this, Katya! So happy the Japan & South Korea eSIM kept you connected. – Ingrid, eSIM TopUp Support
Max N.
France · Jul 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 2 weeks ago Thanks a lot, Max! So pleased it saved you from roaming bills. – Laura, eSIM TopUp Support
Ethan P.
Italy · Jul 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 2 weeks ago So glad to hear this, Ethan! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Sophie 💜
Liam D.
Ireland · Jul 2026
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. Zero regrets.
Emma
GotoeSIM Support
· 3 weeks ago Thank you so much, Liam! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Emma 💜
Giulia K.
Japan · Jul 2026
Great value compared to roaming charges. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 3 weeks ago So glad to hear this, Giulia! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sara 💜
Linh P.
Mexico · Jul 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 3 weeks ago Really appreciate this, Linh! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Emma, 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?