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 F.
Italy · Jul 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Made staying connected effortless.
Ken
GotoeSIM Support
· 1 month ago Thanks for sharing, Sri! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Ken 💜
Olivia H.
United States · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 1 month ago Cheers, Olivia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sophie
Yuki H.
France · Jul 2026
Did the job without any drama in Japan & South Korea. I kept my normal number for calls while using this for data.
Ingrid
GotoeSIM Support
· 1 month ago Really appreciate this, Yuki! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Ingrid
Grace R.
Mexico · Jul 2026
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Telling my friends about this.
Ingrid
GotoeSIM Support
· 1 month ago Really appreciate this, Grace! Thrilled it made staying connected effortless. Wishing you many more connected adventures! — Ingrid
Arjun M.
New Zealand · Jul 2026
No more hunting for a SIM card kiosk on arrival in Japan & South Korea. Setup instructions in the app were clear and simple. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 month ago Thanks for sharing, Arjun! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Anna, eSIM TopUp Support
Anna M.
Saudi Arabia · Jul 2026
Super easy to set up before I flew out. Signal held up well on trains and in rural areas. Zero regrets.
Emma
GotoeSIM Support
· 1 month ago Thanks a lot, Anna! So happy the Japan & South Korea eSIM kept you connected. — Emma
Sophia N.
Thailand · Jul 2026
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan & South Korea. Would definitely buy again.
Sara
GotoeSIM Support
· 1 month ago Cheers, Sophia! Thrilled it made staying connected effortless. Enjoy your journeys! – Sara, eSIM TopUp Support
Sofia N.
UAE · Jul 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Telling my friends about this.
Priya
GotoeSIM Support
· 1 month ago Thank you for the kind words, Sofia! So happy the Japan & South Korea eSIM kept you connected. – Priya 💜
Daniel D.
Mexico · Jul 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Great experience overall.
Anna
GotoeSIM Support
· 1 month ago Really appreciate this, Daniel! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna 💜
Katya H.
Canada · Jun 2026
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
James
GotoeSIM Support
· 1 month ago So glad to hear this, Katya! Great to know the setup was quick and easy. Come back anytime! — James
Hugo H.
Saudi Arabia · Jun 2026
Worked fine but took a little while to connect at first.
Priya
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Hugo. 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. – Priya, eSIM TopUp Support
Sri T.
South Korea · Jun 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly.
Yuki
GotoeSIM Support
· 1 month ago Thanks for sharing, Sri! So pleased it saved you from roaming bills. Wishing you many more connected adventures! — Yuki
Noah W.
UAE · Jun 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Five stars from me.
Yuki
GotoeSIM Support
· 1 month ago Thank you for the kind words, Noah! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Yuki 💜
Carlos T.
Saudi Arabia · Jun 2026
Exactly what I needed for travelling. I kept my normal number for calls while using this for data. Would definitely buy again.
Ken
GotoeSIM Support
· 1 month ago So glad to hear this, Carlos! So pleased it saved you from roaming bills. – Ken, eSIM TopUp Support
Fatima K.
Italy · Jun 2026
Exactly what I needed for travelling in Japan & South Korea. I kept my normal number for calls while using this for data. Great experience overall.
Emma
GotoeSIM Support
· 1 month ago So glad to hear this, Fatima! Thrilled it made staying connected effortless. We're here whenever you travel again. — 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?