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
Aisha W.
South Korea · Feb 2026
Did the job without any drama in China mainland & Japan & South Korea. Topping up was straightforward when I needed more. Telling my friends about this.
Mark
GotoeSIM Support
· 5 months ago So glad to hear this, Aisha! So pleased it saved you from roaming bills. — Mark, GotoeSIM Support
Ryan N.
Switzerland · Feb 2026
Used this on my trip and it worked perfectly in China mainland & Japan & South Korea. Ran hotspot to my laptop with no issues. Great experience overall.
Grace
GotoeSIM Support
· 5 months ago So glad to hear this, Ryan! Delighted the speeds worked well for you. – Grace, GotoeSIM Support
Arjun C.
Poland · Feb 2026
Exactly what I needed for travelling. Setup instructions in the app were clear and simple.
Ken
GotoeSIM Support
· 5 months ago Thank you for the kind words, Arjun! So pleased it saved you from roaming bills. — Ken, GotoeSIM Support
Somchai N.
Sweden · Feb 2026
Worked fine but took a little while to connect at first.
Anna
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Somchai. Glad it mostly worked for you in China mainland & Japan & South Korea — we're always improving our coverage. Reach us anytime at gotoesim.com/support if we can help. — Anna
Aisha M.
Canada · Feb 2026
Great value compared to roaming charges. Ran hotspot to my laptop with no issues. Would definitely buy again.
Omar
GotoeSIM Support
· 5 months ago Really appreciate this, Aisha! Delighted the speeds worked well for you. Wishing you many more connected adventures! – Omar 💜
Ryan P.
Philippines · Feb 2026
Exactly what I needed for travelling in China mainland & Japan & South Korea. Topping up was straightforward when I needed more. Great experience overall.
Grace
GotoeSIM Support
· 5 months ago Thanks a lot, Ryan! Love that you were online the moment you landed in China mainland & Japan & South Korea. We're here whenever you travel again. – Grace, GotoeSIM Support
Viktor V.
New Zealand · Feb 2026
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Priya
GotoeSIM Support
· 5 months ago Cheers, Viktor! Delighted the speeds worked well for you. — Priya
Sofia N.
New Zealand · Feb 2026
Solid overall, just wish there was a bit more data for the price.
Diego
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Sofia. 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. – Diego 💜
Sophia H.
Germany · Feb 2026
Exactly what I needed for travelling in China mainland & Japan & South Korea. I kept my normal number for calls while using this for data. Highly recommend for any traveller.
Diego
GotoeSIM Support
· 5 months ago Thank you for the kind words, Sophia! So happy the China mainland & Japan & South Korea eSIM kept you connected. We're here whenever you travel again. – Diego 💜
Arjun G.
United States · Feb 2026
No more hunting for a SIM card kiosk on arrival. Signal held up well on trains and in rural areas. Would definitely buy again.
Grace
GotoeSIM Support
· 5 months ago Thanks for sharing, Arjun! So happy the China mainland & Japan & South Korea eSIM kept you connected. Come back anytime! — Grace, GotoeSIM Support
Mateo P.
Sweden · Feb 2026
No more hunting for a SIM card kiosk on arrival. The QR code arrived instantly by email.
Emma
GotoeSIM Support
· 5 months ago Thank you for the kind words, Mateo! Great to know the setup was quick and easy. — Emma
Olivia R.
Spain · Feb 2026
Connected the moment I landed. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 5 months ago Thank you so much, Olivia! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Anna, GotoeSIM Support
Pablo V.
Spain · Feb 2026
First time using an eSIM and it was painless. Ran hotspot to my laptop with no issues. Zero regrets.
Emma
GotoeSIM Support
· 5 months ago Cheers, Pablo! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! — Emma, GotoeSIM Support
Ji-woo G.
Malaysia · Feb 2026
Saved me a fortune on my holiday. Data lasted the whole trip with room to spare. Would definitely buy again.
Sophie
GotoeSIM Support
· 5 months ago So glad to hear this, Ji-woo! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! – Sophie 💜
Ryan D.
South Korea · Feb 2026
Good coverage in the city, a bit patchy in remote areas. Customer support answered my question quickly.
Ingrid
GotoeSIM Support
· 5 months ago Thanks for the honest feedback, Ryan. 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. — Ingrid, GotoeSIM Support
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 💜