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
Ravi W.
Australia · Jul 2025
Installed in minutes by scanning the QR code. I kept my normal number for calls while using this for data. Will use GotoeSIM for my next trip for sure.
Sara
GotoeSIM Support
· 1 year ago So glad to hear this, Ravi! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Sara 💜
Louis L.
India · Jun 2025
Install took me two tries but was fine after that. Signal held up well on trains and in rural areas.
Sophie
GotoeSIM Support
· 1 year ago Thanks for the honest feedback, Louis. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. – Sophie, GotoeSIM Support
Camila F.
Switzerland · Jun 2025
Did the job without any drama. Ran hotspot to my laptop with no issues. A must-have for international travel.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Camila! Delighted the speeds worked well for you. – Priya 💜
Sarah P.
Ireland · Jun 2025
Great value compared to roaming charges. The QR code arrived instantly by email.
Priya
GotoeSIM Support
· 1 year ago Thank you so much, Sarah! So pleased it saved you from roaming bills. Come back anytime! – Priya 💜
Max L.
Singapore · Jun 2025
Exactly what I needed for travelling in Japan & South Korea. Signal held up well on trains and in rural areas. Made staying connected effortless.
Laura
GotoeSIM Support
· 1 year ago Cheers, Max! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! – Laura, GotoeSIM Support
James M.
Thailand · Jun 2025
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, James! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! – Tom, GotoeSIM Support
Thomas W.
Indonesia · Jun 2025
Did the job without any drama. Topping up was straightforward when I needed more.
Ingrid
GotoeSIM Support
· 1 year ago Really appreciate this, Thomas! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Ingrid, GotoeSIM Support
Mei F.
Poland · Jun 2025
Used this on my trip and it worked perfectly. Ran hotspot to my laptop with no issues.
Yuki
GotoeSIM Support
· 1 year ago Thanks for sharing, Mei! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Yuki, GotoeSIM Support
Isabella N.
Indonesia · Jun 2025
Great value compared to roaming charges in Japan & South Korea. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Isabella! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Sara, GotoeSIM Support
Zoe W.
Mexico · Jun 2025
Connected the moment I landed. Setup instructions in the app were clear and simple. Made staying connected effortless.
Diego
GotoeSIM Support
· 1 year ago Thank you for the kind words, Zoe! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Diego, GotoeSIM Support
Giulia F.
Portugal · Jun 2025
Worked fine but took a little while to connect at first.
Diego
GotoeSIM Support
· 1 year ago Apologies for the trouble, Giulia. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Diego, GotoeSIM Support
Lea G.
South Korea · Jun 2025
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Telling my friends about this.
Diego
GotoeSIM Support
· 1 year ago So glad to hear this, Lea! Love that you were online the moment you landed in Japan & South Korea. We're here whenever you travel again. – Diego 💜
Daniel N.
South Korea · Jun 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived. A must-have for international travel.
Grace
GotoeSIM Support
· 1 year ago Cheers, Daniel! Wonderful to hear it worked smoothly in Japan & South Korea. – Grace 💜
Daniel C.
Italy · Jun 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, Daniel! So pleased it saved you from roaming bills. Enjoy your journeys! – Omar, GotoeSIM Support
Lea G.
Malaysia · Jun 2025
Great value compared to roaming charges. Coverage was strong even outside the city. Would definitely buy again.
Anna
GotoeSIM Support
· 1 year ago Thank you so much, Lea! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Anna, GotoeSIM Support
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