---
keywords:
  - IT
---
## Fairphone 4
https://forum.fairphone.com/t/fp4-debloat-guide-for-better-privacy-security-and-battery-life/80003

### Android 11
- VoLTE/Voice over WiFi maybe not working (https://forum.fairphone.com/t/how-to-enable-volte-and-wifi-calling/82049)
- call oponent sometimes can't hear my voice( https://forum.fairphone.com/t/call-microphone-issues/80888, )
- sound loudness by calls to high, needs more steps between low and igh
- phone is ringing with connected bluetooth headsets
- ringing loudness is bonded to call loudness

- internal test app: `* # * # 2 8 8 6 # * # *`
## Android 
https://github.com/0x192/universal-android-debloater
   
remove search bar from screen [not working]
`adb shell pm uninstall --user 0 com.google.android.googlequicksearchbox`
try this: https://lawnchair.app/