Huawei P20 Pro User Manual page 5

Record screen
Knock twice on the screen with two knuckles to start or end a screen
recording.
More Gestures
Access Home screen editing mode
Pinch two fingers together on the home screen.
Display the shortcut panel on the lock screen
Turn on the screen and swipe up from the bottom of the lock screen.
Display the search bar
Swipe down from the middle of the home screen.
Display the notification panel
Swipe down from the upper left edge of the screen.
Turn on a shortcut switch
Swipe down from the upper right edge of the screen to display Control
Panel and touch
your device model).
to expand the shortcut switches panel (depending on
Essentials
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