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
Elena R.
Italy · Apr 2025
Good coverage in the city, a bit patchy in remote areas.
Ken
GotoeSIM Support
· 1 year ago We're really sorry, Elena. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Ken 💜
Priya T.
Saudi Arabia · Apr 2025
Saved me a fortune on my holiday. Signal held up well on trains and in rural areas. Telling my friends about this.
Grace
GotoeSIM Support
· 1 year ago Thank you for the kind words, Priya! Great to know the setup was quick and easy. We're here whenever you travel again. — Grace
Thomas F.
Japan · Apr 2025
Super easy to set up before I flew out. Streaming and video calls worked without buffering.
Ingrid
GotoeSIM Support
· 1 year ago Thanks a lot, Thomas! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! — Ingrid
Zoe F.
Canada · Apr 2025
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Exactly as described — no surprises.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Zoe! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Laura
Louis H.
Australia · Apr 2025
Saved me a fortune on my holiday. Streaming and video calls worked without buffering. Zero regrets.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Louis! Great to know the setup was quick and easy. Come back anytime! — Tom
Budi F.
Sweden · Apr 2025
Exactly what I needed for travelling in Japan & South Korea. I kept my normal number for calls while using this for data. Five stars from me.
Tom
GotoeSIM Support
· 1 year ago So glad to hear this, Budi! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Tom 💜
Marco G.
Switzerland · Mar 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Ingrid
GotoeSIM Support
· 1 year ago Really appreciate this, Marco! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — Ingrid, GotoeSIM Support
Liam F.
Sweden · Mar 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Liam! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Ken 💜
Sri B.
France · Mar 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Signal held up well on trains and in rural areas. Would definitely buy again.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Sri! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Diego, GotoeSIM Support
Arjun N.
Egypt · Mar 2025
Honestly better than buying a local SIM at the airport. Setup instructions in the app were clear and simple.
Omar
GotoeSIM Support
· 1 year ago Thanks for sharing, Arjun! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Omar, GotoeSIM Support
Sven H.
Germany · Mar 2025
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing. Exactly as described — no surprises.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Sven! So happy the Japan & South Korea eSIM kept you connected. – David, GotoeSIM Support
Hana F.
Japan · Mar 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Made staying connected effortless.
Priya
GotoeSIM Support
· 1 year ago Cheers, Hana! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! — Priya
Ravi H.
South Korea · Mar 2025
Used this on my trip and it worked perfectly. Speeds were solid for maps, messaging and browsing.
James
GotoeSIM Support
· 1 year ago Cheers, Ravi! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — James, GotoeSIM Support
Liam S.
South Korea · Mar 2025
Decent speeds, though slower than I expected in a few spots. Activation was automatic when I arrived.
Ingrid
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Liam. 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. — Ingrid
Haruto G.
Netherlands · Mar 2025
Worked fine but took a little while to connect at first. I kept my normal number for calls while using this for data.
James
GotoeSIM Support
· 1 year ago Thank you for taking the time, Haruto. 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
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