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
Budi B.
Thailand · Dec 2024
Installed in minutes by scanning the QR code. Data lasted the whole trip with room to spare. Great experience overall.
Ken
GotoeSIM Support
· 1 year ago Thank you so much, Budi! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Ken 💜
Arjun L.
Portugal · Dec 2024
Good coverage in the city, a bit patchy in remote areas.
Laura
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Arjun. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. – Laura, GotoeSIM Support
Giulia L.
Turkey · Dec 2024
Exactly what I needed for travelling. Topping up was straightforward when I needed more. Great experience overall.
Sara
GotoeSIM Support
· 1 year ago Cheers, Giulia! So pleased it saved you from roaming bills. – Sara, GotoeSIM Support
Nadia F.
Indonesia · Dec 2024
Worked fine but took a little while to connect at first.
Omar
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Nadia. 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. — Omar
Yuki H.
Mexico · Dec 2024
Solid overall, just wish there was a bit more data for the price. Coverage was strong even outside the city.
Priya
GotoeSIM Support
· 1 year ago Thank you for taking the time, Yuki. We're constantly optimising speeds and coverage across Japan & South Korea. Reach us anytime at gotoesim.com/support if we can help. – Priya 💜
Viktor W.
Malaysia · Dec 2024
No more hunting for a SIM card kiosk on arrival. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 1 year ago Thank you so much, Viktor! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! — Sophie
Omar N.
United Kingdom · Dec 2024
No more hunting for a SIM card kiosk on arrival. Streaming and video calls worked without buffering.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Omar! Thrilled it made staying connected effortless. — Yuki
Grace V.
Sweden · Dec 2024
Exactly what I needed for travelling. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Grace! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Priya
Mateo B.
Spain · Dec 2024
Honestly better than buying a local SIM at the airport in Japan & South Korea. Coverage was strong even outside the city.
Ingrid
GotoeSIM Support
· 1 year ago Thank you so much, Mateo! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Ingrid, GotoeSIM Support
Pablo R.
Switzerland · Nov 2024
Connected the moment I landed. Setup instructions in the app were clear and simple. Five stars from me.
Sophie
GotoeSIM Support
· 1 year ago Thank you for the kind words, Pablo! Love that you were online the moment you landed in Japan & South Korea. – Sophie, GotoeSIM Support
Kenji R.
Brazil · Nov 2024
Exactly what I needed for travelling. Data lasted the whole trip with room to spare.
Anna
GotoeSIM Support
· 1 year ago Thanks a lot, Kenji! So pleased it saved you from roaming bills. — Anna, GotoeSIM Support
Priya P.
Vietnam · Nov 2024
Installed in minutes by scanning the QR code in Japan & South Korea. Signal held up well on trains and in rural areas. Would definitely buy again.
Laura
GotoeSIM Support
· 1 year ago Cheers, Priya! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — Laura, GotoeSIM Support
Pablo H.
Vietnam · Nov 2024
Saved me a fortune on my holiday. The QR code arrived instantly by email. Zero regrets.
Laura
GotoeSIM Support
· 1 year ago Really appreciate this, Pablo! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! – Laura 💜
Nguyen S.
Netherlands · Nov 2024
No more hunting for a SIM card kiosk on arrival. Data lasted the whole trip with room to spare.
James
GotoeSIM Support
· 1 year ago Cheers, Nguyen! So happy the Japan & South Korea eSIM kept you connected. We're here whenever you travel again. — James
Ji-woo K.
Philippines · Nov 2024
First time using an eSIM and it was painless in Japan & South Korea. Signal held up well on trains and in rural areas.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Ji-woo! Thrilled it made staying connected effortless. Come back anytime! – Yuki, 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