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Mi MIX 3 5G, Mi 9, and Redmi K20 Pro 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, Mi 9, and Redmi K20 Pro 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 don’t forget to backup your data before upgrading to Android P 2. Please download the Q Beta build for Mi Mix 3 5G, Mi 9, and Redmi K20Pro (China only). 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 are the lists 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.
Redmi K20 Pro: 1. Does not support fingerprint module. 2. “Settings” app crashes after user selects “App & Notifications” and shows a notification that says “Settings keeps stopping” 3. Unable to switch between multiple users. 4. There might be instances where videos downloaded from the Google Drive does not show length of video in the photo gallery. 5. Bluetooth search might not work for some specific keyboards. A known failed case is Logitech’s k380 keyboard.
If you would like to opt-out or revert back to factory settings, you can do so through the fastboot mode here.