Currently, the Xiaomi MIX 3, 5G, and Xiaomi 9 are both in the Android Q Beta program, which developers can use for free.

Before we begin:

1. Don't forget to back up your data before being upgraded to Android Q.

2. Download the android Q Beta version of Xiaomi Mix 3 5G and Xiaomi 9.

3. Please select Q version by fastboot method.

Notes:

Please note that the beta is not final and some features may still be in development.

Here is a list of known problems you may have encountered in the Android Q Beta.

Xiaomi 9:

1. The alarm does not ring when the device is off.

2. Restart the device after the user selects the wireless projection device in "wireless display".

3. The "Settings" application stops running after the user deactivates the shortcut to mute the device.

4. When "gesture" is selected in "Settings", the "Settings" app stops running

5. "file" application stops running after refreshing.

6. Unable to switch screen color in Settings

7. Unable to "add fingerprint"

Mi Mix 3 5G:

1. The alarm does not ring when the device is off.

2. Restart the device after the user selects the wireless projection device in "wireless display".

3. The default printing service stops when the device is connected to WiFi to print the photos in the gallery.

4. The "Settings" application stops running after the user deactivates the shortcut to mute the device.

5. After the user selects "gesture", the "Settings" app stops running.

6. "file" application stops running after refresh.

7. Unable to switch colors in Settings.

8. After selecting auto brightness, the Settings application crashes.