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
James G.
United States · Feb 2025
Connected the moment I landed in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Priya
GotoeSIM Support
· 1 year ago Cheers, James! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Priya, eSIM TopUp Support
Ethan K.
India · Feb 2025
Super easy to set up before I flew out in Japan & South Korea. Signal held up well on trains and in rural areas. Five stars from me.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Ethan! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Diego
Yuki L.
Sweden · Feb 2025
Worked fine but took a little while to connect at first. Topping up was straightforward when I needed more.
Sara
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Yuki. 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. – Sara 💜
Lucia R.
Portugal · Feb 2025
Did the job without any drama in Japan & South Korea. Customer support answered my question quickly. Made staying connected effortless.
James
GotoeSIM Support
· 1 year ago Thanks a lot, Lucia! So pleased it saved you from roaming bills. Come back anytime! – James, eSIM TopUp Support
Carlos F.
Sweden · Feb 2025
Super easy to set up before I flew out. The QR code arrived instantly by email. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Carlos! Delighted the speeds worked well for you. – Tom, eSIM TopUp Support
Pablo W.
Spain · Feb 2025
Saved me a fortune on my holiday. Setup instructions in the app were clear and simple. Will use eSIM TopUp for my next trip for sure.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Sophie 💜
Fatima B.
UAE · Feb 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Zero regrets.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Fatima! Love that you were online the moment you landed in Japan & South Korea. — James
Noah R.
Japan · Feb 2025
Did the job without any drama. The QR code arrived instantly by email. Exactly as described — no surprises.
James
GotoeSIM Support
· 1 year ago Thanks for sharing, Noah! Wonderful to hear it worked smoothly in Japan & South Korea. — James
Nguyen B.
Mexico · Feb 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Zero regrets.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Nguyen! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Anna, eSIM TopUp Support
Marco K.
Mexico · Jan 2025
Connected the moment I landed. I kept my normal number for calls while using this for data. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Marco! Wonderful to hear it worked smoothly in Japan & South Korea. — Ken, eSIM TopUp Support
James F.
Egypt · Jan 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Will use eSIM TopUp for my next trip for sure.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, James! Love that you were online the moment you landed in Japan & South Korea. – Priya 💜
Sri W.
South Korea · Jan 2025
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Zero regrets.
Emma
GotoeSIM Support
· 1 year ago So glad to hear this, Sri! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Emma, eSIM TopUp Support
Sarah P.
Philippines · Jan 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Sarah! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Tom
Wei D.
UAE · Jan 2025
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Will use eSIM TopUp for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Wei! Wonderful to hear it worked smoothly in Japan & South Korea. — Sara, eSIM TopUp Support
Katya R.
Indonesia · Jan 2025
Exactly what I needed for travelling in Japan & South Korea. Speeds were solid for maps, messaging and browsing.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Katya! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Diego
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?