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
Anna G.
Saudi Arabia · Mar 2025
Installed in minutes by scanning the QR code. Signal held up well on trains and in rural areas.
Tom
GotoeSIM Support
· 1 year ago Thank you so much, Anna! Wonderful to hear it worked smoothly in Japan & South Korea. – Tom, GotoeSIM Support
Omar P.
New Zealand · Mar 2025
Bought it the night before my flight — smooth process. Speeds were solid for maps, messaging and browsing. Five stars from me.
Priya
GotoeSIM Support
· 1 year ago Thanks for sharing, Omar! Great to know the setup was quick and easy. — Priya, GotoeSIM Support
Linh L.
France · Mar 2025
Connected the moment I landed. The QR code arrived instantly by email. Five stars from me.
Ken
GotoeSIM Support
· 1 year ago Really appreciate this, Linh! Love that you were online the moment you landed in Japan & South Korea. Come back anytime! — Ken
Hana N.
UAE · Mar 2025
Honestly better than buying a local SIM at the airport. Topping up was straightforward when I needed more.
Anna
GotoeSIM Support
· 1 year ago Thank you for the kind words, Hana! Wonderful to hear it worked smoothly in Japan & South Korea. Wishing you many more connected adventures! – Anna 💜
Ji-woo M.
Australia · Mar 2025
First time using an eSIM and it was painless in Japan & South Korea. The QR code arrived instantly by email.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Ji-woo! Wonderful to hear it worked smoothly in Japan & South Korea. – Diego 💜
Carlos P.
Brazil · Mar 2025
Worked fine but took a little while to connect at first.
Sara
GotoeSIM Support
· 1 year ago Thank you for taking the time, Carlos. Good to hear it did the job, and we're working to make it even better. Reach us anytime at gotoesim.com/support if we can help. – Sara 💜
Aisha T.
Singapore · Mar 2025
Worked fine but took a little while to connect at first.
Tom
GotoeSIM Support
· 1 year ago Appreciate you sharing this, Aisha. Glad it mostly worked for you in Japan & South Korea — we're always improving our coverage. Any questions, our team is at gotoesim.com/support. — Tom, GotoeSIM Support
Liam G.
France · Mar 2025
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago So glad to hear this, Liam! So happy the Japan & South Korea eSIM kept you connected. – Yuki, GotoeSIM Support
Somchai P.
Canada · Mar 2025
Connected the moment I landed. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Ingrid
GotoeSIM Support
· 1 year ago Thank you for the kind words, Somchai! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Ingrid, GotoeSIM Support
Olivia H.
Italy · Mar 2025
Great value compared to roaming charges. Streaming and video calls worked without buffering. A must-have for international travel.
Sara
GotoeSIM Support
· 1 year ago Thanks a lot, Olivia! Thrilled it made staying connected effortless. – Sara 💜
Sri T.
Mexico · Mar 2025
Solid overall, just wish there was a bit more data for the price.
Omar
GotoeSIM Support
· 1 year ago Apologies for the trouble, Sri. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Omar
Pablo D.
Australia · Mar 2025
Bought it the night before my flight — smooth process. The QR code arrived instantly by email. Five stars from me.
Sara
GotoeSIM Support
· 1 year ago Thank you so much, Pablo! Thrilled it made staying connected effortless. We're here whenever you travel again. – Sara 💜
Ravi D.
Turkey · Mar 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare.
Diego
GotoeSIM Support
· 1 year ago Thanks a lot, Ravi! Thrilled it made staying connected effortless. — Diego, GotoeSIM Support
Arjun R.
Egypt · Mar 2025
Installed in minutes by scanning the QR code. Coverage was strong even outside the city. Five stars from me.
Priya
GotoeSIM Support
· 1 year ago Thanks a lot, Arjun! Wonderful to hear it worked smoothly in Japan & South Korea. – Priya 💜
Somchai D.
Japan · Mar 2025
Super easy to set up before I flew out. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Anna
GotoeSIM Support
· 1 year ago Cheers, Somchai! Love that you were online the moment you landed in Japan & South Korea. – Anna 💜
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