1 Go to  Settings > Accessibility features > Shortcuts & gestures > Air gestures, and
ensure that Grabshot is enabled.
2 Place your hand half an arm's length away from the screen with the palm of the hand
facing the screen, and wait for   to appear at the top of the screen. Then close your st
to capture a screenshot.
Use Your Knuckle to Take a Screenshot
1 Go to  Settings > Accessibility features > Shortcuts & gestures > Take screenshot,
and ensure that Knuckle screenshots is enabled.
2 Knock the screen twice in quick succession with one knuckle to take a screenshot.
Use a Key Combination to Take a Screenshot
Press and hold the Power and Volume down buttons simultaneously to take a screenshot.
Use a Shortcut to Take a Screenshot
Swipe down from the status bar to open the notication panel, then swipe down on it again
to show all shortcuts. Touch   to take a screenshot.
Essentials
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