In the meantime, all common apps are supported in full screen mode on the OnePlus smartphone.

Should an incompatibility occur, we can enable the full screen mode for apps afterwards.

If an app in full screen mode is covered by the area of the camera, it is recommended to use the standard mode.

Android 10 | OxygenOS 10.0
Step 1:  Open the  Settings
Step 2:  Tap on  Display
Step 3:  Tap on  Advanced
Step 4:  Tap on  Apps to display in fullscreen
  1. Open the Settings
  2. Tap on Display
  3. Tap on Advanced
  4. Tap on Apps to display in fullscreen

OnePlus Instructions