Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB 7Days · 1 GB · 7 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG U+ 5G SKTelecom 5G
Traveller reviews
Sofia V.
Indonesia · Jul 2025
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Telling my friends about this.
James
GotoeSIM Support
· 1 year ago Thank you for the kind words, Sofia! Delighted the speeds worked well for you. – James, GotoeSIM Support
Mohammed B.
Spain · Jul 2025
Connected the moment I landed. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 1 year ago Cheers, Mohammed! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! – Laura 💜
Ingrid M.
Italy · Jul 2025
Saved me a fortune on my holiday in Japan & South Korea. Setup instructions in the app were clear and simple. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Ingrid! So happy the Japan & South Korea eSIM kept you connected. — Ingrid, GotoeSIM Support
Marco R.
Turkey · Jul 2025
Great value compared to roaming charges. The QR code arrived instantly by email. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Marco! Delighted the speeds worked well for you. — Sophie, GotoeSIM Support
Pablo S.
Portugal · Jun 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Grace
GotoeSIM Support
· 1 year ago Thank you so much, Pablo! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Grace 💜
Liam H.
Sweden · Jun 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Will use GotoeSIM for my next trip for sure.
Emma
GotoeSIM Support
· 1 year ago Cheers, Liam! Great to know the setup was quick and easy. We're here whenever you travel again. — Emma, GotoeSIM Support
Somchai H.
Turkey · Jun 2025
Great value compared to roaming charges in Japan & South Korea. Coverage was strong even outside the city. Highly recommend for any traveller.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Somchai! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Omar 💜
Mei M.
Turkey · Jun 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Mei! So pleased it saved you from roaming bills. – Ken 💜
Ethan H.
Spain · Jun 2025
Did the job without any drama. Coverage was strong even outside the city. Zero regrets.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ethan! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Tom, GotoeSIM Support
Ethan M.
United Kingdom · Jun 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 year ago Thanks a lot, Ethan! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. – Omar 💜
Andre R.
Netherlands · Jun 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Five stars from me.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Andre! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Sophie, GotoeSIM Support
Sofia S.
Egypt · Jun 2025
First time using an eSIM and it was painless. Streaming and video calls worked without buffering. Great experience overall.
Mark
GotoeSIM Support
· 1 year ago Thanks for sharing, Sofia! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Mark, GotoeSIM Support
Somchai C.
Singapore · Jun 2025
Exactly what I needed for travelling. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 1 year ago So glad to hear this, Somchai! So pleased it saved you from roaming bills. We're here whenever you travel again. – Anna 💜
Thomas P.
Malaysia · Jun 2025
First time using an eSIM and it was painless. I kept my normal number for calls while using this for data. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Cheers, Thomas! Love that you were online the moment you landed in Japan & South Korea. – Anna 💜
Fatima P.
South Korea · Jun 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Priya
GotoeSIM Support
· 1 year ago Cheers, Fatima! So pleased it saved you from roaming bills. Enjoy your journeys! — Priya
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB 7Days plan costs $2.03 for 1 GB over 7 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 GotoeSIM 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
Carlos P. · 2 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Carlos, you can top up the same eSIM anytime — no need to buy a new one. — Sara, GotoeSIM Support
Hana V. · 4 months ago
Is 5G supported or just 4G?
Yes Hana, 5G is supported where the local network offers it, otherwise fast 4G. – Laura, GotoeSIM Support
Aisha N. · 5 months ago
Is roaming charged extra or is it all included?
No surprise fees, Aisha! Roaming is part of the plan and never billed separately. — Mark
Louis G. · 5 months ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Louis — within seconds of payment, by email and in your account. – Grace, GotoeSIM Support
Wei L. · 5 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Wei — it switches on when you land. — Priya
Priya R. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Priya, a regional plan may suit you better — happy to help you pick. — Ken, GotoeSIM Support
Lucia P. · 9 months ago
Does this work on an iPhone 13?
Yes Lucia, it works on iPhone XS and newer — just add the eSIM under Settings › Cellular › Add eSIM. – Omar 💜
Lucas D. · 9 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Lucas. – Ingrid, GotoeSIM Support
Katya C. · 10 months ago
Which networks does this connect to?
You'll be on top local networks, Katya — full details are on the plan page under Coverage. – Tom 💜
Somchai B. · 11 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Somchai! Add it via SIM manager and you're set. – Yuki, GotoeSIM Support
Yuki P. · 11 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Yuki, so buying early is totally fine. — Sophie, GotoeSIM Support
Priya S. · 1 year ago
Will this keep my WhatsApp active with my home number?
Yes Priya, WhatsApp keeps working with your home number — the eSIM only carries data. — James, GotoeSIM Support