This feature resets all app settings on the OnePlus smartphone, leaving the app data intact.

The following settings are reset:

Android 10 | OxygenOS 10.0
Step 1:  Open the  Settings
Step 2:  Tap on  System
Step 3:  Tap on  Reset options
Step 4:  Tap on  Reset app preferences
Step 5:  Tap on  Reset apps
  1. Open the Settings
  2. Tap on System
  3. Tap on Reset options
  4. Tap on Reset app preferences
  5. Tap on Reset apps

OnePlus Instructions