China mainland & Japan & South Korea eSIM — reviews & details
China mainland & Japan & South Korea 20GB 30Days · 20 GB · 30 days
620 reviews
Coverage & networks
- China mainland China Unicom 5G
- Japan KDDI/au 5G
- South Korea SKTelecom 5G LG Uplus 5G
Traveller reviews
Ryan R.
Philippines · Mar 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Great experience overall.
David
GotoeSIM Support
· 4 months ago Thanks for sharing, Ryan! So pleased it saved you from roaming bills. Wishing you many more connected adventures! – David 💜
Max K.
Brazil · Mar 2026
Worked fine but took a little while to connect at first.
Diego
GotoeSIM Support
· 4 months ago Thanks for the honest feedback, Max. We're constantly optimising speeds and coverage across China mainland & Japan & South Korea. Any questions, our team is at gotoesim.com/support. – Diego 💜
Isabella T.
Italy · Feb 2026
Used this on my trip and it worked perfectly. Topping up was straightforward when I needed more. Great experience overall.
Ken
GotoeSIM Support
· 5 months ago Thanks for sharing, Isabella! So happy the China mainland & Japan & South Korea eSIM kept you connected. Come back anytime! — Ken
Sophia F.
Egypt · Feb 2026
Did the job without any drama. Speeds were solid for maps, messaging and browsing. Zero regrets.
Yuki
GotoeSIM Support
· 5 months ago Thanks a lot, Sophia! So pleased it saved you from roaming bills. – Yuki 💜
Hugo G.
Vietnam · Feb 2026
Bought it the night before my flight — smooth process. Data lasted the whole trip with room to spare. Would definitely buy again.
Ken
GotoeSIM Support
· 5 months ago Cheers, Hugo! Love that you were online the moment you landed in China mainland & Japan & South Korea. Come back anytime! – Ken 💜
Giulia N.
Thailand · Feb 2026
No more hunting for a SIM card kiosk on arrival. Speeds were solid for maps, messaging and browsing.
Emma
GotoeSIM Support
· 5 months ago Really appreciate this, Giulia! Love that you were online the moment you landed in China mainland & Japan & South Korea. – Emma, GotoeSIM Support
Giulia G.
Japan · Feb 2026
Good coverage in the city, a bit patchy in remote areas.
Anna
GotoeSIM Support
· 5 months ago So sorry to hear this, Giulia. That's not the experience we want for China mainland & Japan & South Korea. Reach our team at gotoesim.com/support so we can help right away. – Anna, GotoeSIM Support
Camila K.
United States · Feb 2026
Exactly what I needed for travelling. Ran hotspot to my laptop with no issues.
Tom
GotoeSIM Support
· 5 months ago Really appreciate this, Camila! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Come back anytime! — Tom, GotoeSIM Support
Somchai C.
Saudi Arabia · Feb 2026
First time using an eSIM and it was painless. Topping up was straightforward when I needed more.
Tom
GotoeSIM Support
· 5 months ago Thanks for sharing, Somchai! Wonderful to hear it worked smoothly in China mainland & Japan & South Korea. Safe travels, and see you on your next trip! – Tom 💜
Anna K.
Malaysia · Feb 2026
Used this on my trip and it worked perfectly. The QR code arrived instantly by email. Would definitely buy again.
David
GotoeSIM Support
· 5 months ago Really appreciate this, Anna! Love that you were online the moment you landed in China mainland & Japan & South Korea. – David, GotoeSIM Support
Hana H.
Portugal · Feb 2026
No more hunting for a SIM card kiosk on arrival in China mainland & Japan & South Korea. Customer support answered my question quickly. Will use GotoeSIM for my next trip for sure.
David
GotoeSIM Support
· 5 months ago Cheers, Hana! So pleased it saved you from roaming bills. We're here whenever you travel again. – David 💜
Sophia W.
United Kingdom · Feb 2026
Great value compared to roaming charges in China mainland & Japan & South Korea. Speeds were solid for maps, messaging and browsing. Zero regrets.
Mark
GotoeSIM Support
· 5 months ago Thank you so much, Sophia! Love that you were online the moment you landed in China mainland & Japan & South Korea. Safe travels, and see you on your next trip! – Mark 💜
Budi P.
Netherlands · Feb 2026
Did the job without any drama in China mainland & Japan & South Korea. Speeds were solid for maps, messaging and browsing. Five stars from me.
Mark
GotoeSIM Support
· 5 months ago So glad to hear this, Budi! Delighted the speeds worked well for you. – Mark, GotoeSIM Support
Giulia L.
Spain · Feb 2026
Used this on my trip and it worked perfectly. Coverage was strong even outside the city. Great experience overall.
Laura
GotoeSIM Support
· 5 months ago So glad to hear this, Giulia! So happy the China mainland & Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Laura, GotoeSIM Support
Aisha P.
Canada · Feb 2026
Connected the moment I landed in China mainland & Japan & South Korea. The QR code arrived instantly by email.
Yuki
GotoeSIM Support
· 5 months ago Thank you so much, Aisha! Love that you were online the moment you landed in China mainland & Japan & South Korea. – Yuki 💜
Frequently asked questions
How much does the China mainland & Japan & South Korea eSIM cost?
The China mainland & Japan & South Korea 20GB 30Days plan costs $37.50 for 20 GB over 30 days, paid once with no hidden fees.
How do I activate my China mainland & 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 China mainland & 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 China mainland & Japan & South Korea.
Comments & questions
Lucia T. · 2 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Lucia — no extra charges, it's all prepaid. – Emma, GotoeSIM Support
Pablo H. · 3 months ago
Does this work on an iPhone 13?
Absolutely, Pablo! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Laura, GotoeSIM Support
Aisha V. · 3 months ago
Is 5G supported or just 4G?
5G is available where covered, Aisha — you'll always get the best speed on offer. – James 💜
Lea H. · 5 months ago
Do I need to install it before I travel or after I arrive?
We recommend installing before you travel, Lea, then it activates automatically on arrival. — Anna, GotoeSIM Support
Liam G. · 5 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Liam, you can top up the same eSIM anytime — no need to buy a new one. – Sara, GotoeSIM Support
Haruto W. · 6 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, Haruto. – Sophie, GotoeSIM Support
Omar L. · 7 months ago
Does the validity start on purchase or on first use?
The clock starts on first use in-country, Omar, so buying early is totally fine. – Emma, GotoeSIM Support
Sven M. · 8 months ago
Can I use this for hotspot/tethering?
Tethering is supported, Sven! Feel free to hotspot to your other devices. — James
Andre R. · 8 months ago
Great guide, the setup steps were really helpful.
Thanks Andre, that means a lot! Reach out anytime. — Priya
Daniel M. · 10 months ago
Can I use it in nearby countries too?
This plan covers its listed destination, Daniel — for multiple countries, check our regional plans. – Laura, GotoeSIM Support
Wei L. · 10 months ago
Thanks, installed with no problems on my Samsung.
Yes Wei, recent Samsung Galaxy models support eSIM — add it under Settings › Connections › SIM manager. — Anna
Mohammed V. · 1 year ago
How long does the QR code take to arrive after payment?
Your QR code arrives instantly, Mohammed — within seconds of payment, by email and in your account. – Sophie 💜