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
Fatima F.
Egypt · Jun 2026
Bought it the night before my flight — smooth process in Japan & South Korea. Speeds were solid for maps, messaging and browsing. Five stars from me.
Grace
GotoeSIM Support
· 2 months ago Thank you for the kind words, Fatima! Great to know the setup was quick and easy. Come back anytime! – Grace, eSIM TopUp Support
Katya R.
Germany · Jun 2026
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Zero regrets.
David
GotoeSIM Support
· 2 months ago Thanks for sharing, Katya! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — David
Emma N.
Spain · Jun 2026
Super easy to set up before I flew out. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 2 months ago Really appreciate this, Emma! Great to know the setup was quick and easy. We're here whenever you travel again. – Ingrid, eSIM TopUp Support
Fatima R.
Turkey · May 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email. Will use eSIM TopUp for my next trip for sure.
Laura
GotoeSIM Support
· 2 months ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Laura
Andre W.
New Zealand · May 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Great experience overall.
Priya
GotoeSIM Support
· 2 months ago So glad to hear this, Andre! So pleased it saved you from roaming bills. Enjoy your journeys! — Priya
Aisha W.
Italy · May 2026
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple.
Sophie
GotoeSIM Support
· 2 months ago Really appreciate this, Aisha! Wonderful to hear it worked smoothly in Japan & South Korea. – Sophie, eSIM TopUp Support
Mateo B.
Germany · May 2026
No more hunting for a SIM card kiosk on arrival. Coverage was strong even outside the city.
Yuki
GotoeSIM Support
· 2 months ago Thanks for sharing, Mateo! Delighted the speeds worked well for you. – Yuki, eSIM TopUp Support
Lucia H.
Portugal · May 2026
Great value compared to roaming charges. Coverage was strong even outside the city. Zero regrets.
Ken
GotoeSIM Support
· 2 months ago So glad to hear this, Lucia! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ken, eSIM TopUp Support
Ryan B.
Thailand · May 2026
Connected the moment I landed. Activation was automatic when I arrived. Made staying connected effortless.
Diego
GotoeSIM Support
· 2 months ago Cheers, Ryan! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Diego, eSIM TopUp Support
Anna N.
Ireland · May 2026
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Would definitely buy again.
Yuki
GotoeSIM Support
· 2 months ago Cheers, Anna! So pleased it saved you from roaming bills. We're here whenever you travel again. – Yuki, eSIM TopUp Support
James H.
Australia · May 2026
Connected the moment I landed. Data lasted the whole trip with room to spare. Five stars from me.
James
GotoeSIM Support
· 2 months ago Thank you so much, James! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – James 💜
Grace M.
Turkey · May 2026
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Grace
GotoeSIM Support
· 2 months ago So glad to hear this, Grace! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Grace
Mei V.
United States · May 2026
Installed in minutes by scanning the QR code. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 2 months ago So glad to hear this, Mei! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Ingrid, eSIM TopUp Support
Kenji G.
Poland · May 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Five stars from me.
Diego
GotoeSIM Support
· 2 months ago Cheers, Kenji! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Diego
Noah R.
Saudi Arabia · May 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Five stars from me.
Anna
GotoeSIM Support
· 2 months ago Thank you for the kind words, Noah! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Anna, 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?