Mi MIX 3 5G and Mi 9 are in
the Android Q Beta program.

Welcome to Android Q Beta

The Android Q Beta provides you all the features needed to improve the compatibility and development of your application for the next version of the Android. At present, the Mi MIX 3 5G and Mi 9 are in the Android Q Beta program, which is free for developers to use. Simply download the preview tool and you will be able to use it immediately.

Before you begin:

1. Please do not forget to backup your data before upgrading to Android Q.
2. Please download the Q Beta build for Mi Mix 3 5G and Mi 9.
3. Please opt-in to the Q build via the fastboot method.

Points to note:

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

Here is the list of known issues you might encounter with the Android Q Beta build.

Mi 9:
  1. Alarm does not ring when the device is switched off.
  2. Device restarts after user selects wireless projection device in the “Wireless display”.
  3. “Settings” app stops running after user deactivates shortcut to mute device.
  4. “Settings” app stops running when “Gesture” is selected in “Settings”
  5. “File” app stops running after refresh.
  6. Unable to switch screen color in “Settings”
  7. Unable to ‘Add a fingerprint’

Mi Mix 3 5G:
  1. Alarm does not ring when the device is switched off.
  2. Device restarts after user selects wireless projection device in the “Wireless display”.
  3. Default print service stops after device connects to WiFi to print photos from gallery.
  4. “Settings” app stops running after user deactivates shortcut to mute device.
  5. “Settings” app stops running after user selects “Gestures”.
  6. “File” app stops running after refresh.
  7. Unable to switch color in settings.
  8. “Settings” app crashes after “Automatic brightness” is selected.

If you would like to opt-out or revert back to factory settings, you can do so through the fastboot mode here.


If you have any feedback, do let us know here.


To learn more about Android Q Beta, please visit the Google Developers page.