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 U+ 5G SKTelecom 5G
Traveller reviews
Noah R.
United Kingdom · Oct 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Telling my friends about this.
Omar
GotoeSIM Support
· 9 months ago Thanks for sharing, Noah! Great to know the setup was quick and easy. Come back anytime! — Omar
Sofia L.
Vietnam · Oct 2025
Great value compared to roaming charges. Data lasted the whole trip with room to spare. Exactly as described — no surprises.
Grace
GotoeSIM Support
· 9 months ago Thanks for sharing, Sofia! So pleased it saved you from roaming bills. – Grace, GotoeSIM Support
Ava L.
Turkey · Oct 2025
Super easy to set up before I flew out. Customer support answered my question quickly.
Omar
GotoeSIM Support
· 9 months ago Really appreciate this, Ava! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! – Omar 💜
Hana C.
Switzerland · Sep 2025
Saved me a fortune on my holiday in Japan & South Korea. Customer support answered my question quickly. Zero regrets.
James
GotoeSIM Support
· 9 months ago So glad to hear this, Hana! Wonderful to hear it worked smoothly in Japan & South Korea. Safe travels, and see you on your next trip! – James, GotoeSIM Support
Sri F.
New Zealand · Sep 2025
Exactly what I needed for travelling. Activation was automatic when I arrived in Japan & South Korea.
Ken
GotoeSIM Support
· 9 months ago Thanks a lot, Sri! Great to know the setup was quick and easy. — Ken
Mohammed C.
Mexico · Sep 2025
Great value compared to roaming charges in Japan & South Korea. The QR code arrived instantly by email. Would definitely buy again.
Ken
GotoeSIM Support
· 9 months ago Thank you so much, Mohammed! Wonderful to hear it worked smoothly in Japan & South Korea. – Ken, GotoeSIM Support
Yuki G.
United States · Sep 2025
Honestly better than buying a local SIM at the airport. Speeds were solid for maps, messaging and browsing. Will use GotoeSIM for my next trip for sure.
Sophie
GotoeSIM Support
· 10 months ago Thank you for the kind words, Yuki! Delighted the speeds worked well for you. Enjoy your journeys! — Sophie, GotoeSIM Support
Ingrid P.
United States · Sep 2025
Honestly better than buying a local SIM at the airport. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Mark
GotoeSIM Support
· 10 months ago Thanks for sharing, Ingrid! So happy the Japan & South Korea eSIM kept you connected. — Mark, GotoeSIM Support
Kenji R.
Germany · Sep 2025
Good coverage in the city, a bit patchy in remote areas.
Priya
GotoeSIM Support
· 10 months ago Thank you for taking the time, Kenji. Good to hear it did the job, and we're working to make it even better. Any questions, our team is at gotoesim.com/support. – Priya 💜
Thomas M.
New Zealand · Sep 2025
Bought it the night before my flight — smooth process. Customer support answered my question quickly. A must-have for international travel.
Anna
GotoeSIM Support
· 10 months ago Thanks for sharing, Thomas! So pleased it saved you from roaming bills. We're here whenever you travel again. – Anna 💜
Elena F.
New Zealand · Sep 2025
Honestly better than buying a local SIM at the airport. Streaming and video calls worked without buffering. Zero regrets.
Emma
GotoeSIM Support
· 10 months ago Thanks for sharing, Elena! Love that you were online the moment you landed in Japan & South Korea. Safe travels, and see you on your next trip! — Emma
Fatima L.
Brazil · Sep 2025
Saved me a fortune on my holiday. Ran hotspot to my laptop with no issues. Telling my friends about this.
Laura
GotoeSIM Support
· 10 months ago Really appreciate this, Fatima! So happy the Japan & South Korea eSIM kept you connected. Enjoy your journeys! — Laura, GotoeSIM Support
Ryan R.
Mexico · Sep 2025
First time using an eSIM and it was painless. Customer support answered my question quickly. Five stars from me.
Sophie
GotoeSIM Support
· 10 months ago Thank you so much, Ryan! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Sophie, GotoeSIM Support
Lea W.
India · Sep 2025
Did the job without any drama. Data lasted the whole trip with room to spare. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 10 months ago So glad to hear this, Lea! Love that you were online the moment you landed in Japan & South Korea. Wishing you many more connected adventures! – Diego, GotoeSIM Support
Sarah B.
Malaysia · Sep 2025
No more hunting for a SIM card kiosk on arrival. Activation was automatic when I arrived in Japan & South Korea. Telling my friends about this.
Yuki
GotoeSIM Support
· 10 months ago So glad to hear this, Sarah! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — 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