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
Ingrid N.
New Zealand · May 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Telling my friends about this.
Priya
GotoeSIM Support
· 2 months ago So glad to hear this, Ingrid! So pleased it saved you from roaming bills. Come back anytime! — Priya, eSIM TopUp Support
Sarah F.
UAE · May 2026
Used this on my trip and it worked perfectly. Streaming and video calls worked without buffering. Great experience overall.
Ken
GotoeSIM Support
· 2 months ago Thank you so much, Sarah! Thrilled it made staying connected effortless. Enjoy your journeys! — Ken
Mateo V.
Poland · May 2026
Connected the moment I landed. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 2 months ago So glad to hear this, Mateo! Great to know the setup was quick and easy. — Mark, eSIM TopUp Support
Noah T.
Spain · May 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare.
Mark
GotoeSIM Support
· 2 months ago Thank you so much, Noah! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Mark, eSIM TopUp Support
Camila R.
Malaysia · May 2026
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 3 months ago Thank you for the kind words, Camila! Delighted the speeds worked well for you. — Sara, eSIM TopUp Support
Ethan B.
Philippines · May 2026
Great value compared to roaming charges. Coverage was strong even outside the city. Would definitely buy again.
Sara
GotoeSIM Support
· 3 months ago So glad to hear this, Ethan! Thrilled it made staying connected effortless. Come back anytime! – Sara, eSIM TopUp Support
Noah W.
Spain · Apr 2026
First time using an eSIM and it was painless. The QR code arrived instantly by email. A must-have for international travel.
Emma
GotoeSIM Support
· 4 months ago Thanks a lot, Noah! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Emma, eSIM TopUp Support
Chloe F.
Saudi Arabia · Mar 2026
Did the job without any drama. Streaming and video calls worked without buffering.
David
GotoeSIM Support
· 4 months ago Thank you for the kind words, Chloe! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — David, eSIM TopUp Support
Noah H.
India · Mar 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Great experience overall.
Priya
GotoeSIM Support
· 4 months ago Really appreciate this, Noah! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Priya, eSIM TopUp Support
Pablo D.
Spain · Mar 2026
Did the job without any drama. The QR code arrived instantly by email. Would definitely buy again.
Yuki
GotoeSIM Support
· 4 months ago Thanks a lot, Pablo! Wonderful to hear it worked smoothly in Japan & South Korea. — Yuki
Grace P.
Turkey · Mar 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. I kept my normal number for calls while using this for data.
Grace
GotoeSIM Support
· 4 months ago Cheers, Grace! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Grace, eSIM TopUp Support
Omar N.
India · Mar 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 5 months ago Thank you so much, Omar! Delighted the speeds worked well for you. Come back anytime! — Priya, eSIM TopUp Support
Sven G.
Germany · Mar 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
Priya
GotoeSIM Support
· 5 months ago Thanks for sharing, Sven! Great to know the setup was quick and easy. Come back anytime! — Priya
James T.
Ireland · Mar 2026
Did the job without any drama in Japan & South Korea. Customer support answered my question quickly. Exactly as described — no surprises.
Mark
GotoeSIM Support
· 5 months ago Thanks a lot, James! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Mark
Sri P.
Saudi Arabia · Feb 2026
Did the job without any drama. Topping up was straightforward when I needed more. Made staying connected effortless.
Sara
GotoeSIM Support
· 5 months ago Thanks for sharing, Sri! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sara
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?