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
Omar C.
Singapore · Jun 2026
Great value compared to roaming charges. Data lasted the whole trip with room to spare.
Omar
GotoeSIM Support
· 1 month ago Thank you for the kind words, Omar! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Omar, GotoeSIM Support
Emma M.
Turkey · Jun 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Zero regrets.
Tom
GotoeSIM Support
· 1 month ago Thank you so much, Emma! Great to know the setup was quick and easy. — Tom, GotoeSIM Support
Marco P.
Japan · Jun 2026
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 1 month ago So glad to hear this, Marco! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Diego, GotoeSIM Support
Andre R.
Japan · Jun 2026
Used this on my trip and it worked perfectly. I kept my normal number for calls while using this for data. Exactly as described — no surprises.
Ingrid
GotoeSIM Support
· 1 month ago Really appreciate this, Andre! Delighted the speeds worked well for you. – Ingrid 💜
Haruto R.
New Zealand · Jun 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 1 month ago Really appreciate this, Haruto! Delighted the speeds worked well for you. Enjoy your journeys! – Yuki, GotoeSIM Support
Yuki N.
India · Jun 2026
Honestly better than buying a local SIM at the airport in Japan & South Korea. Coverage was strong even outside the city.
Laura
GotoeSIM Support
· 1 month ago Really appreciate this, Yuki! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! – Laura 💜
Sophia M.
Philippines · Jun 2026
Connected the moment I landed. Signal held up well on trains and in rural areas.
Anna
GotoeSIM Support
· 1 month ago Really appreciate this, Sophia! Wonderful to hear it worked smoothly in Japan & South Korea. We're here whenever you travel again. — Anna
Louis G.
Saudi Arabia · Jun 2026
Great value compared to roaming charges. Setup instructions in the app were clear and simple. Zero regrets.
Grace
GotoeSIM Support
· 1 month ago Thank you for the kind words, Louis! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Grace, GotoeSIM Support
Zoe M.
Indonesia · Jun 2026
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly. Made staying connected effortless.
Tom
GotoeSIM Support
· 1 month ago Really appreciate this, Zoe! Delighted the speeds worked well for you. We're here whenever you travel again. — Tom, GotoeSIM Support
Max H.
New Zealand · Jun 2026
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
James
GotoeSIM Support
· 1 month ago Thank you for the kind words, Max! Delighted the speeds worked well for you. We're here whenever you travel again. — James
Priya N.
Spain · Jun 2026
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Would definitely buy again.
Omar
GotoeSIM Support
· 1 month ago Cheers, Priya! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! — Omar
Carlos T.
South Korea · Jun 2026
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
Yuki
GotoeSIM Support
· 1 month ago Thank you so much, Carlos! Love that you were online the moment you landed in Japan & South Korea. — Yuki
Marco T.
Australia · Jun 2026
Did the job without any drama. Customer support answered my question quickly.
Ken
GotoeSIM Support
· 1 month ago Thank you for the kind words, Marco! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Ken
Louis S.
Sweden · Jun 2026
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 month ago Thanks for sharing, Louis! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Sophie, GotoeSIM Support
Mei W.
New Zealand · Jun 2026
Good coverage in the city, a bit patchy in remote areas. Signal held up well on trains and in rural areas.
Mark
GotoeSIM Support
· 1 month ago Apologies for the trouble, Mei. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Mark, 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