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Delete fingerprint profiles via TWRP

  1. Boot into TWRP
  2. Go to advanced > filemanager to access the files in your phone.
  3. Enter the folder /data/system/user/0
  4. Delete following files: ./fpdata/user.db, settings_fingerprint.xml
  5. Reboot to system and set up new fingerprints with the fingerprint wizard
  6. Everything should work normal

Fix PIN errors after restoring from TWRP backups

In TWRP go to Advanced > File Manager, and go to the /data/system folder. Scroll down and find the two files with the .key extension. Delete both of them. Then, delete all the files containing the word locksettings.

Delete the following files:

  • password.key
  • pattern.key
  • locksettings.db
  • locksettings.db-shm
  • locksettings.db-wal

Delete System Apps

Works without root:

adb shell
pm uninstall -k –user 0 [app]

Example [app] = net.oneplus.launcher

adb shell
mount -o rw,remount /system
rm -rf /system/app/myApp.apk
rm -rf /data/data/com.example.myapp
mount -o ro,remount /system

Maybe this works:

adb shell rm /system/app/MyApp*
adb uninstall


Get device MAC

adb devices | tail -n 2 | head -n 1 | awk '{print $1}'

android.txt · Last modified: 2022/09/01 08:57 by hanez

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