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
Lucia T.
India · Jul 2026
Install took me two tries but was fine after that. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 1 week ago Thanks for the honest feedback, Lucia. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. – Omar, GotoeSIM Support
Kenji V.
Malaysia · Jul 2026
Good coverage in the city, a bit patchy in remote areas.
Anna
GotoeSIM Support
· 3 weeks ago Thanks for the honest feedback, Kenji. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Anna 💜
Liam C.
Turkey · Jul 2026
Solid overall, just wish there was a bit more data for the price.
Sophie
GotoeSIM Support
· 3 weeks ago Thanks for the honest feedback, Liam. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. – Sophie 💜
Andre N.
United Kingdom · Jun 2026
Good coverage in the city, a bit patchy in remote areas.
James
GotoeSIM Support
· 1 month ago Thanks for the honest feedback, Andre. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — James, GotoeSIM Support
Ingrid G.
France · May 2026
Install took me two tries but was fine after that. The QR code arrived instantly by email.
Priya
GotoeSIM Support
· 2 months ago Appreciate you sharing this, Ingrid. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Priya, GotoeSIM Support
James P.
Italy · May 2026
Decent speeds, though slower than I expected in a few spots.
Priya
GotoeSIM Support
· 2 months ago Appreciate you sharing this, James. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. – Priya, GotoeSIM Support
Lea R.
United Kingdom · Apr 2026
Worked fine but took a little while to connect at first. Ran hotspot to my laptop with no issues.
Omar
GotoeSIM Support
· 3 months ago Thank you for taking the time, Lea. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. — Omar
Sofia H.
Thailand · Apr 2026
Good coverage in the city, a bit patchy in remote areas.
Diego
GotoeSIM Support
· 3 months ago Thanks for the honest feedback, Sofia. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Diego, GotoeSIM Support
Ananya P.
Japan · Apr 2026
Good coverage in the city, a bit patchy in remote areas. Streaming and video calls worked without buffering.
Sophie
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Ananya. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. – Sophie 💜
Noah P.
Italy · Apr 2026
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Ken
GotoeSIM Support
· 3 months ago Appreciate you sharing this, Noah. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. — Ken
Viktor C.
Saudi Arabia · Mar 2026
Solid overall, just wish there was a bit more data for the price.
Diego
GotoeSIM Support
· 4 months ago Appreciate you sharing this, Viktor. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. — Diego
Marco P.
Poland · Mar 2026
Solid overall, just wish there was a bit more data for the price.
Sophie
GotoeSIM Support
· 4 months ago Thank you for taking the time, Marco. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Sophie 💜
Thomas N.
Brazil · Feb 2026
Worked fine but took a little while to connect at first.
Priya
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Thomas. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Priya, GotoeSIM Support
Camila B.
Netherlands · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Sara
GotoeSIM Support
· 5 months ago Appreciate you sharing this, Camila. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Sara, GotoeSIM Support
Chloe N.
UAE · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Sophie
GotoeSIM Support
· 5 months ago Thank you for taking the time, Chloe. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Sophie, 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