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
Ava V.
New Zealand · Sep 2025
No more hunting for a SIM card kiosk on arrival. Ran hotspot to my laptop with no issues.
Tom
GotoeSIM Support
· 10 months ago Thank you so much, Ava! Great to know the setup was quick and easy. Come back anytime! — Tom, GotoeSIM Support
Nadia V.
Australia · Sep 2025
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
David
GotoeSIM Support
· 10 months ago Cheers, Nadia! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — David, GotoeSIM Support
Ravi S.
Sweden · Sep 2025
Great value compared to roaming charges in Japan & South Korea. The QR code arrived instantly by email. Made staying connected effortless.
Priya
GotoeSIM Support
· 10 months ago Thank you for the kind words, Ravi! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Priya, GotoeSIM Support
Fatima L.
Australia · Sep 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. The QR code arrived instantly by email. Five stars from me.
Tom
GotoeSIM Support
· 10 months ago Thanks a lot, Fatima! Delighted the speeds worked well for you. Come back anytime! — Tom
Mohammed W.
Canada · Sep 2025
Super easy to set up before I flew out. Customer support answered my question quickly. Great experience overall.
Laura
GotoeSIM Support
· 10 months ago Thanks for sharing, Mohammed! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Laura
Louis G.
South Korea · Sep 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. Made staying connected effortless.
Ken
GotoeSIM Support
· 10 months ago Thank you for the kind words, Louis! Wonderful to hear it worked smoothly in Japan & South Korea. — Ken
Linh T.
Canada · Sep 2025
No more hunting for a SIM card kiosk on arrival. I kept my normal number for calls while using this for data. Would definitely buy again.
Priya
GotoeSIM Support
· 10 months ago Thank you so much, Linh! Delighted the speeds worked well for you. — Priya
Zoe D.
South Korea · Sep 2025
Decent speeds, though slower than I expected in a few spots.
James
GotoeSIM Support
· 10 months ago Thanks for the honest feedback, Zoe. We're constantly optimising speeds and coverage across Japan & South Korea. Any questions, our team is at gotoesim.com/support. — James, GotoeSIM Support
Zoe T.
Vietnam · Sep 2025
Used this on my trip and it worked perfectly. Setup instructions in the app were clear and simple. Five stars from me.
Tom
GotoeSIM Support
· 10 months ago Really appreciate this, Zoe! So happy the Japan & South Korea eSIM kept you connected. Come back anytime! — Tom
Ji-woo N.
UAE · Sep 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues. Five stars from me.
Laura
GotoeSIM Support
· 10 months ago Thank you for the kind words, Ji-woo! Great to know the setup was quick and easy. – Laura, GotoeSIM Support
Ava M.
UAE · Sep 2025
First time using an eSIM and it was painless. Signal held up well on trains and in rural areas. Will use GotoeSIM for my next trip for sure.
Laura
GotoeSIM Support
· 10 months ago Thanks for sharing, Ava! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Laura, GotoeSIM Support
Viktor R.
Germany · Sep 2025
Installed in minutes by scanning the QR code in Japan & South Korea. Topping up was straightforward when I needed more.
Anna
GotoeSIM Support
· 10 months ago Thank you for the kind words, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. – Anna, GotoeSIM Support
Ananya N.
UAE · Aug 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing. Zero regrets.
Emma
GotoeSIM Support
· 10 months ago Cheers, Ananya! So happy the Japan & South Korea eSIM kept you connected. Safe travels, and see you on your next trip! – Emma, GotoeSIM Support
Liam K.
Spain · Aug 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues.
Sara
GotoeSIM Support
· 11 months ago Thanks a lot, Liam! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – Sara, GotoeSIM Support
James N.
Australia · Aug 2025
Honestly better than buying a local SIM at the airport. Customer support answered my question quickly.
Sara
GotoeSIM Support
· 11 months ago Thanks a lot, James! Thrilled it made staying connected effortless. Safe travels, and see you on your next trip! – Sara 💜
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