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 Uplus 5G SKTelecom 5G
Traveller reviews
Ava N.
France · Jun 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Customer support answered my question quickly.
Laura
GotoeSIM Support
· 1 year ago So glad to hear this, Ava! Thrilled it made staying connected effortless. We're here whenever you travel again. — Laura, GotoeSIM Support
Ava P.
Portugal · Jun 2025
Worked fine but took a little while to connect at first.
Priya
GotoeSIM Support
· 1 year ago So sorry to hear this, Ava. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Priya 💜
Chloe D.
Indonesia · Jun 2025
Saved me a fortune on my holiday in Japan & South Korea. Topping up was straightforward when I needed more. Great experience overall.
Grace
GotoeSIM Support
· 1 year ago Thanks for sharing, Chloe! Delighted the speeds worked well for you. Come back anytime! — Grace
Chloe K.
New Zealand · Jun 2025
First time using an eSIM and it was painless. Coverage was strong even outside the city. Made staying connected effortless.
Anna
GotoeSIM Support
· 1 year ago Cheers, Chloe! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Anna, GotoeSIM Support
Priya H.
Mexico · Jun 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Sophie
GotoeSIM Support
· 1 year ago So glad to hear this, Priya! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Sophie 💜
Katya S.
Saudi Arabia · Jun 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Zero regrets.
Tom
GotoeSIM Support
· 1 year ago Thank you for the kind words, Katya! Great to know the setup was quick and easy. — Tom
Isabella L.
Canada · Jun 2025
Bought it the night before my flight — smooth process in Japan & South Korea. Coverage was strong even outside the city.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Isabella! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Sara 💜
Daniel D.
Singapore · Jun 2025
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Great experience overall.
Grace
GotoeSIM Support
· 1 year ago Thanks a lot, Daniel! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Grace, GotoeSIM Support
Somchai T.
Saudi Arabia · Jun 2025
Connected the moment I landed in Japan & South Korea. Coverage was strong even outside the city. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Cheers, Somchai! Delighted the speeds worked well for you. – Tom 💜
James V.
Vietnam · Jun 2025
Great value compared to roaming charges. Activation was automatic when I arrived.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, James! Great to know the setup was quick and easy. Safe travels, and see you on your next trip! – David, GotoeSIM Support
Priya R.
Malaysia · Jun 2025
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Telling my friends about this.
Diego
GotoeSIM Support
· 1 year ago Thank you for the kind words, Priya! Wonderful to hear it worked smoothly in Japan & South Korea. — Diego, GotoeSIM Support
Ingrid H.
Sweden · May 2025
Did the job without any drama. I kept my normal number for calls while using this for data. Great experience overall.
Anna
GotoeSIM Support
· 1 year ago Really appreciate this, Ingrid! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Anna, GotoeSIM Support
Elena T.
United Kingdom · May 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more.
Grace
GotoeSIM Support
· 1 year ago Cheers, Elena! Wonderful to hear it worked smoothly in Japan & South Korea. – Grace, GotoeSIM Support
Budi S.
India · May 2025
Saved me a fortune on my holiday in Japan & South Korea. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Budi! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! — Yuki, GotoeSIM Support
Katya V.
Singapore · May 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived.
Ken
GotoeSIM Support
· 1 year ago Thanks for sharing, Katya! Delighted the speeds worked well for you. Wishing you many more connected adventures! — Ken, 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