Essentials
Basic Gestures
Knuckle Gestures
Go to Settings > Accessibility features > Shortcuts & gestures to enable Take screenshot,
Record screen.
Take a screenshot
Knock twice on the screen with a knuckle to take a screenshot.
Take a scrollshot
Knock on the screen with a knuckle and draw an "S" to take a scrolling
screenshot.
Capture part of the screen
Knock and draw an enclosed area with a knuckle to capture part of the
screen.
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.
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