Japan & South Korea eSIM — reviews & details
Japan & South Korea 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG Uplus 5G SKTelecom 5G
Traveller reviews
Chloe R.
Philippines · Jul 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city.
Mark
GotoeSIM Support
· 1 year ago Thank you so much, Chloe! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Mark 💜
Sophia N.
Brazil · Jul 2025
Install took me two tries but was fine after that. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for taking the time, Sophia. 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. – Ingrid, GotoeSIM Support
Mohammed R.
South Korea · Jul 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Five stars from me.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Mohammed! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. — Anna, GotoeSIM Support
Diego R.
New Zealand · Jul 2025
Saved me a fortune on my holiday in Japan & South Korea. Coverage was strong even outside the city. Great experience overall.
Tom
GotoeSIM Support
· 1 year ago Really appreciate this, Diego! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – Tom, GotoeSIM Support
Ryan S.
Turkey · Jul 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Will use GotoeSIM for my next trip for sure.
Emma
GotoeSIM Support
· 1 year ago Thanks for sharing, Ryan! So pleased it saved you from roaming bills. We're here whenever you travel again. – Emma 💜
Viktor V.
Poland · Jul 2025
First time using an eSIM and it was painless. Setup instructions in the app were clear and simple. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 1 year ago Thanks a lot, Viktor! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Sophie, GotoeSIM Support
Ananya M.
France · Jul 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Ananya! So pleased it saved you from roaming bills. We're here whenever you travel again. – Anna, GotoeSIM Support
Aisha G.
France · Jul 2025
Connected the moment I landed. Coverage was strong even outside the city.
Anna
GotoeSIM Support
· 1 year ago Thanks for sharing, Aisha! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Anna, GotoeSIM Support
Giulia L.
United Kingdom · Jul 2025
First time using an eSIM and it was painless. The QR code arrived instantly by email. Made staying connected effortless.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Giulia! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Sophie 💜
Ava B.
India · Jul 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago Really appreciate this, Ava! Great to know the setup was quick and easy. Come back anytime! – Sara 💜
Nadia B.
France · Jul 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 1 year ago Cheers, Nadia! So happy the Japan & South Korea eSIM kept you connected. Wishing you many more connected adventures! — David
Marco F.
Malaysia · Jul 2025
Install took me two tries but was fine after that.
Yuki
GotoeSIM Support
· 1 year ago Apologies for the trouble, Marco. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Yuki 💜
Max N.
Australia · Jul 2025
First time using an eSIM and it was painless. Data lasted the whole trip with room to spare. Five stars from me.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Max! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! — Ken, GotoeSIM Support
Kenji T.
Philippines · Jul 2025
Installed in minutes by scanning the QR code. Activation was automatic when I arrived.
Anna
GotoeSIM Support
· 1 year ago Thank you so much, Kenji! Love that you were online the moment you landed in Japan & South Korea. – Anna 💜
Aisha H.
Spain · Jul 2025
Did the job without any drama. Setup instructions in the app were clear and simple. Telling my friends about this.
James
GotoeSIM Support
· 1 year ago Thank you so much, Aisha! Love that you were online the moment you landed in Japan & South Korea. – James 💜
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 3GB 30Days plan costs $6.08 for 3 GB over 30 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
Diego B. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Diego — it switches on when you land. — Sophie, GotoeSIM Support
Grace K. · 7 months ago
How long does the QR code take to arrive after payment?
It's immediate, Grace! The QR code is delivered the moment your payment goes through. – Ingrid 💜
Ava H. · 8 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, Ava. — Grace, GotoeSIM Support
Nguyen P. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Nguyen, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Nguyen D. · 9 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Nguyen, on 4G/5G where available. – Anna, GotoeSIM Support
Anna L. · 9 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Anna — no extra charges, it's all prepaid. — Laura
Noah V. · 10 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Noah! Add it via SIM manager and you're set. — Priya
Aisha H. · 10 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Aisha, you can top up the same eSIM anytime — no need to buy a new one. — Emma
Giulia B. · 10 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Giulia! The eSIM just handles data. — Sara
Somchai H. · 11 months ago
Great guide, the setup steps were really helpful.
Thanks Somchai, that means a lot! Reach out anytime. – James, GotoeSIM Support
Lea R. · 1 year ago
Is 5G supported or just 4G?
5G is available where covered, Lea — you'll always get the best speed on offer. — Mark, GotoeSIM Support
Carlos G. · 1 year ago
Does this work on an iPhone 13?
Absolutely, Carlos! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Ken, GotoeSIM Support