Japan & South Korea eSIM — reviews & details
Japan & South Korea 1GB/Day · 1 GB/day · 1 days
84 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Nadia V.
Italy · May 2026
Great value compared to roaming charges. Streaming and video calls worked without buffering. Would definitely buy again.
Laura
GotoeSIM Support
· 4 months ago Cheers, Nadia! So pleased it saved you from roaming bills. Enjoy your journeys! — Laura
Ananya C.
India · May 2026
Used this on my trip and it worked perfectly in Japan & South Korea. Coverage was strong even outside the city.
Emma
GotoeSIM Support
· 4 months ago Thank you so much, Ananya! Love that you were online the moment you landed in Japan & South Korea. – Emma, GotoeSIM Support
Mohammed C.
Egypt · Apr 2026
Honestly better than buying a local SIM at the airport. The QR code arrived instantly by email. Telling my friends about this.
James
GotoeSIM Support
· 4 months ago Cheers, Mohammed! So pleased it saved you from roaming bills. We're here whenever you travel again. — James
Ava M.
Poland · Apr 2026
Installed in minutes by scanning the QR code. Customer support answered my question quickly. Made staying connected effortless.
Sophie
GotoeSIM Support
· 4 months ago Cheers, Ava! So pleased it saved you from roaming bills. Enjoy your journeys! – Sophie 💜
Mei L.
Ireland · Apr 2026
Connected the moment I landed. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 4 months ago Cheers, Mei! Thrilled it made staying connected effortless. We're here whenever you travel again. — Omar, GotoeSIM Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 1GB/Day plan costs $2.16 for 1 GB/day over 1 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
Nadia H. · 3 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Nadia — for multiple countries, check our regional plans. — Yuki
Aisha D. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Aisha — it switches on when you land. – Emma, GotoeSIM Support
Sven R. · 6 months ago
Can I use this for hotspot/tethering?
Yes Sven, hotspot/tethering works fine — share your data to a laptop or tablet anytime. — Sophie, GotoeSIM Support
Olivia L. · 7 months ago
How do I check how much data I have left?
Your usage is tracked live in the app, Olivia — check My eSIMs anytime. – Diego, GotoeSIM Support
Ryan B. · 7 months ago
Great guide, the setup steps were really helpful.
Thanks Ryan, that means a lot! Reach out anytime. — Ken
Olivia B. · 8 months ago
Is roaming charged extra or is it all included?
No surprise fees, Olivia! Roaming is part of the plan and never billed separately. — Anna
Katya N. · 9 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. – Laura 💜
Ava B. · 9 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Ava! Add it via SIM manager and you're set. — Ingrid, GotoeSIM Support
Fatima R. · 10 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Fatima, you can top up the same eSIM anytime — no need to buy a new one. — David, GotoeSIM Support
James T. · 1 year ago
How long does the QR code take to arrive after payment?
It's immediate, James! The QR code is delivered the moment your payment goes through. — James, GotoeSIM Support
Kenji N. · 1 year ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Kenji, so buying early is totally fine. – Omar, GotoeSIM Support
Lucas G. · 1 year ago
Does this work on an iPhone 13?
Absolutely, Lucas! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Laura 💜