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
Linh R.
Ireland · May 2026
Great value compared to roaming charges in Japan & South Korea. Customer support answered my question quickly. Exactly as described — no surprises.
Tom
GotoeSIM Support
· 2 months ago Cheers, Linh! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Tom, eSIM TopUp Support
Ji-woo W.
Poland · May 2026
Great value compared to roaming charges. The QR code arrived instantly by email. Great experience overall.
David
GotoeSIM Support
· 2 months ago Thanks for sharing, Ji-woo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – David 💜
Emma L.
Philippines · May 2026
Did the job without any drama. Activation was automatic when I arrived in Japan & South Korea. Telling my friends about this.
Tom
GotoeSIM Support
· 3 months ago Thank you so much, Emma! Wonderful to hear it worked smoothly in Japan & South Korea. — Tom
Hana F.
Egypt · May 2026
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Five stars from me.
Sophie
GotoeSIM Support
· 3 months ago Really appreciate this, Hana! Delighted the speeds worked well for you. – Sophie, eSIM TopUp Support
Katya D.
Netherlands · May 2026
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Yuki
GotoeSIM Support
· 3 months ago Really appreciate this, Katya! Great to know the setup was quick and easy. – Yuki, eSIM TopUp Support
Daniel B.
Switzerland · May 2026
Super easy to set up before I flew out. Setup instructions in the app were clear and simple. Would definitely buy again.
Ingrid
GotoeSIM Support
· 3 months ago Cheers, Daniel! So happy the Japan & South Korea eSIM kept you connected. – Ingrid 💜
Sri F.
Brazil · Apr 2026
Did the job without any drama. Coverage was strong even outside the city. Great experience overall.
Anna
GotoeSIM Support
· 3 months ago So glad to hear this, Sri! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Anna, eSIM TopUp Support
James L.
Philippines · Apr 2026
Great value compared to roaming charges in Japan & South Korea. I kept my normal number for calls while using this for data.
Tom
GotoeSIM Support
· 3 months ago Thank you so much, James! Great to know the setup was quick and easy. Enjoy your journeys! – Tom 💜
Giulia B.
New Zealand · Apr 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city.
James
GotoeSIM Support
· 3 months ago So glad to hear this, Giulia! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – James 💜
Daniel M.
Turkey · Apr 2026
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Highly recommend for any traveller.
Emma
GotoeSIM Support
· 3 months ago Thanks for sharing, Daniel! Thrilled it made staying connected effortless. Enjoy your journeys! — Emma, eSIM TopUp Support
Kenji L.
Thailand · Apr 2026
Honestly better than buying a local SIM at the airport. I kept my normal number for calls while using this for data. Telling my friends about this.
Grace
GotoeSIM Support
· 3 months ago So glad to hear this, Kenji! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Grace, eSIM TopUp Support
Mateo D.
Poland · Apr 2026
Saved me a fortune on my holiday. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Grace
GotoeSIM Support
· 4 months ago Thanks for sharing, Mateo! Delighted the speeds worked well for you. – Grace, eSIM TopUp Support
Grace H.
Japan · Apr 2026
Super easy to set up before I flew out in Japan & South Korea. I kept my normal number for calls while using this for data.
Sara
GotoeSIM Support
· 4 months ago Thank you so much, Grace! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Sara 💜
Katya L.
Philippines · Apr 2026
Exactly what I needed for travelling. Coverage was strong even outside the city. Highly recommend for any traveller.
Laura
GotoeSIM Support
· 4 months ago Cheers, Katya! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Laura
Anna H.
Saudi Arabia · Apr 2026
Did the job without any drama. Activation was automatic when I arrived. A must-have for international travel.
Tom
GotoeSIM Support
· 4 months ago Thanks for sharing, Anna! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! — Tom
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?