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
Priya G.
Vietnam · Dec 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Made staying connected effortless.
Yuki
GotoeSIM Support
· 7 months ago Really appreciate this, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Yuki
Grace S.
France · Dec 2025
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Zero regrets.
Grace
GotoeSIM Support
· 7 months ago Thank you so much, Grace! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Grace 💜
Budi W.
UAE · Dec 2025
Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Emma
GotoeSIM Support
· 7 months ago So glad to hear this, Budi! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Emma, GotoeSIM Support
Sri G.
Malaysia · Dec 2025
Did the job without any drama. Customer support answered my question quickly.
Mark
GotoeSIM Support
· 7 months ago Thanks for sharing, Sri! Great to know the setup was quick and easy. We're here whenever you travel again. — Mark, GotoeSIM Support
Thomas T.
India · Dec 2025
Bought it the night before my flight — smooth process. Setup instructions in the app were clear and simple. Highly recommend for any traveller.
Tom
GotoeSIM Support
· 7 months ago Thanks a lot, Thomas! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Tom, GotoeSIM Support
Giulia S.
Philippines · Dec 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues. Telling my friends about this.
James
GotoeSIM Support
· 7 months ago Thanks for sharing, Giulia! Love that you were online the moment you landed in Japan & South Korea. — James
Linh C.
Germany · Nov 2025
Connected the moment I landed. Customer support answered my question quickly. Exactly as described — no surprises.
Emma
GotoeSIM Support
· 7 months ago Thank you so much, Linh! Great to know the setup was quick and easy. Enjoy your journeys! — Emma
Fatima N.
New Zealand · Nov 2025
Did the job without any drama. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 7 months ago Cheers, Fatima! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Ingrid, GotoeSIM Support
Ethan L.
Indonesia · Nov 2025
First time using an eSIM and it was painless. Topping up was straightforward when I needed more. Five stars from me.
James
GotoeSIM Support
· 7 months ago Thank you for the kind words, Ethan! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — James, GotoeSIM Support
Priya W.
Australia · Nov 2025
First time using an eSIM and it was painless in Japan & South Korea. Coverage was strong even outside the city. Five stars from me.
Priya
GotoeSIM Support
· 8 months ago Thank you for the kind words, Priya! Thrilled it made staying connected effortless. — Priya
Budi N.
Germany · Nov 2025
Bought it the night before my flight — smooth process. Topping up was straightforward when I needed more. A must-have for international travel.
Ingrid
GotoeSIM Support
· 8 months ago Thank you for the kind words, Budi! Love that you were online the moment you landed in Japan & South Korea. – Ingrid, GotoeSIM Support
Ava N.
Turkey · Nov 2025
Used this on my trip and it worked perfectly. Data lasted the whole trip with room to spare. Zero regrets.
James
GotoeSIM Support
· 8 months ago Thanks a lot, Ava! Thrilled it made staying connected effortless. Come back anytime! – James, GotoeSIM Support
Priya K.
Brazil · Nov 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Tom
GotoeSIM Support
· 8 months ago Thank you so much, Priya! So pleased it saved you from roaming bills. Come back anytime! – Tom, GotoeSIM Support
Elena M.
France · Nov 2025
Installed in minutes by scanning the QR code. Streaming and video calls worked without buffering. Telling my friends about this.
Yuki
GotoeSIM Support
· 8 months ago Thanks a lot, Elena! So pleased it saved you from roaming bills. — Yuki, GotoeSIM Support
Thomas F.
Mexico · Nov 2025
Super easy to set up before I flew out. The QR code arrived instantly by email. Made staying connected effortless.
Diego
GotoeSIM Support
· 8 months ago Thanks a lot, Thomas! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Diego, GotoeSIM Support
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