From the home screen, tap the Camera icon.
Note: If the Camera icon is not available, tap the All Apps icon, then tap Camera. The camera may also be activated from the lock screen by swiping left from the edge of the screen.
From the camera view, swipe right to open the camera settings.
Swipe up on the Settings menu, then tap the Quick Capture icon.
Tap the preferred option to turn Quick Capture on or off.
The Quick Camera feature is changed. When the feature is enabled, the camera can be started by twisting your wrist twice rapidly while holding the device.