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DerpFest with Android 12 For Mi 9T/Redmi K20 (Davinci)

DerpFest 12
Android: 12.1 (Sv2)
For: Xiaomi Mi 9T/Redmi K20 (davinci)
Updated: 19/06/2022
By: @Adi20_01

Rom Changelog:

DerpFest 12 – Android 12.1:

  • Merged June Security Patch
  • Removed Custom LS Clock Support
  • Removed Vertical Pulse
  • Updated DuckDuckGo, Simple Gallery & GrapheneOS Camera
  • Added Mi Sound Scenes
  • Added some more Dirac Presets
  • Added Dirac QS Tile
  • Added Standalone system_ext image
  • Moved XiaomiParts to system_ext
  • Added Multiple Intensities Vibration Support

Device Changelog:

  • SystemUI: Refactor MobileSignalController implementation
  • SystemUI: Fix compilation
  • SystemUI: Update caffeine tile icon
  • PreviewInflater: Fix the issue with the google dialer widget on the keyguard
  • PixelPropsUtils: Disable spoof for recorder app
  • SystemUI: Add 14 New VoLTE icon [1
  • SystemUI: Remove unnecessary showVoLTEIcon config
  • SystemUI: Add VoLTE icon from Motorola
  • [SQUASH] Refactor how we display the VoLTE/VoWiFi icons
  • CustomFaceProvider: Fix after android-12.1.0_r7 merge
  • FooterActions: Add haptic click when long-pressing settings icon
  • SystemUI: add haptic feedback for qs tiles
  • Only update the compat system UI visibility if the source is valid
  • Fix crash with protected content with ElectronBeam/Scale screen-off animation
  • Add upstream fixes to ElectronBeam screen-off animation
  • Notify display brightness changed due to brightness transforms
  • SystemUI: Update more jars to qpr3
  • SystemUI: smartspace: Update for qpr3
  • SystemUI: smartspace: Fix wrong attributes
  • SystemUI: smartspace: Match Google resource class
  • PixelPropsUtils: Update fingerprints to June 2022
  • SystemUI: MediaOutputController: Avoid NPE when created with empty packageName
  • Show the vibrate icon in the Status Bar by default
  • LockSettingsService: Restrict access to getpassword API
  • Fix Build Credentials refactored to use byte
  • frameworks: base: Port password retention feature
  • SystemUI: Use lighter material you shades for charging animation
  • Skip checking SystemUI’s permission for observing sensor privacy
  • BatteryStatsImpl: Guard against OOB
  • Privacy Indicators: Follow light/dark theme settings




  • Clean flash recommended.


  • For All Testers and Developers.


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