Larger smartphones such as Oppo's can hardly be operated with one hand, but if this is necessary, Oppo's smartphone can be set to one-handed mode, in which the screen content is reduced in size and displayed in a "window". This window can be pinned to the left or right edge of the screen.

Note: The one-handed mode on the Oppo-Smartphone can only be reached via the quick settings. It may be necessary to add the button first.

Android 10 (ColorOS 7.0)
Step 1:  Open the  status bar  with two fingers
Step 2:  Tap on  One-Handed-Mode
Step 3:  Tap on a  free area  to end the one hand mode
  1. Open the status bar with two fingers
  2. Tap on One-Handed-Mode
  3. Tap on a free area to end the one hand mode

Oppo Instructions
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