Please don`t worry, Android security patch comes along with the system update. When pushing the new update, we will update your device`s Android security patch simultaneously.

Yeah. They support Dual Wi-Fi.

Please don`t worry, you can follow these steps to solve it:

1. Clear the data of Download manager and System update;
2. Change other network or connect to the more stable Wi-Fi, then download system update for a try;
3. Access to Settings>More settings>Backup & Reset>Restore(Reset) all settings. Don`t worry, no data or media will be deleted.

If above measures are not effective, please feel free to contact us.

V11 Pro & V11 Do not support AI Filter.

Security patch refers to the supporting data in order to fix or improve it. It comprises of fixing security vulnerabilities as well as other bugs. Like the data that has received the paramount differences, security also received the same importance. While a security patch is implemented in an android device, it makes the security part faster, but what it looks for the permission for location, using camera, etc.

We are happy to tell you that V11 Pro & V11 support Apt-X.

You can go to Settings>More settings>About phone>Android security patch level to check the date of your device`s latest security patch. The date on the security patch is not the date at which you might have received Google`s security patch, but the day the patch was first released — in most cases, you’ll receive the patch at a later date than the released date.

Yeah. They support Double click to light. You can go to Settings>Smart motion>Smart turn on /off screen to turn it on.

A beta release usually means that the system has had all of the major known issues fixed but has not been tested enough for an official release. Your feedback can will be helpful.

An official or open release usually means that the system has gone through a rigorous quality assurance process and that all major technical issues have been identified and resolved. This means that the system is now fully functional, debugged and ready to be released to the general public.

Please be assured that “Restore(Reset) all settings” cannot restore the system version to the original one. If you want to install the original version, please seek help from our service center.

Warmly Tips: Limited by Android 8 and higher version, the phones with Android 8 and higher version cannot flash the lower version.