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
Ji-woo S.
Indonesia · Mar 2026
Worked fine but took a little while to connect at first. Speeds were solid for maps, messaging and browsing.
Diego
GotoeSIM Support
· 4 months ago So sorry to hear this, Ji-woo. 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. – Diego 💜
Min-jun T.
Brazil · Mar 2026
Install took me two tries but was fine after that. Customer support answered my question quickly.
Sophie
GotoeSIM Support
· 4 months ago Apologies for the trouble, Min-jun. We'd love the chance to make this right. Please contact us at gotoesim.com/support and we'll sort it out. — Sophie, GotoeSIM Support
Kenji D.
Mexico · Sep 2025
Decent speeds, though slower than I expected in a few spots.
Emma
GotoeSIM Support
· 10 months ago We're really sorry, Kenji. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Emma, GotoeSIM Support
Ravi V.
UAE · Jul 2025
Install took me two tries but was fine after that. I kept my normal number for calls while using this for data.
Omar
GotoeSIM Support
· 11 months ago We're really sorry, Ravi. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. — Omar, GotoeSIM Support
Ethan F.
Turkey · Jun 2025
Good coverage in the city, a bit patchy in remote areas. Setup instructions in the app were clear and simple.
Anna
GotoeSIM Support
· 1 year ago So sorry to hear this, Ethan. That's not the experience we want for China mainland & Japan & South Korea. Please contact us at gotoesim.com/support and we'll sort it out. – Anna, GotoeSIM Support
Arjun R.
Thailand · Jun 2025
Install took me two tries but was fine after that.
Omar
GotoeSIM Support
· 1 year ago So sorry to hear this, Arjun. We'd love the chance to make this right. Reach our team at gotoesim.com/support so we can help right away. – Omar 💜
Diego F.
Germany · Mar 2025
Solid overall, just wish there was a bit more data for the price.
James
GotoeSIM Support
· 1 year ago Apologies for the trouble, Diego. 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. — James
Omar L.
Germany · Nov 2024
Install took me two tries but was fine after that.
Anna
GotoeSIM Support
· 1 year ago Apologies for the trouble, Omar. This isn't the standard we aim for. Reach our team at gotoesim.com/support so we can help right away. – Anna, 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 💜