A:
You can capture screenshots by pressing the Home key and the Power/Lock key simultaneously. The screenshot will be copied to the clipboard and saved to the Screenshots folder in Gallery.
Using Motion Gesture:
Your device supports a "palm swipe to capture screenshot" gesture. To turn off and on the feature, from the Home screen, touch Apps Apps Icon > Settings Icon Settings > Controls > Palm motion Palm motion icon. Touch the slider Slider Off to turn Palm Motion on Slider On .
Mark the checkbox next to Capture screen to turn palm swipe on. You can now capture a screenshot by touching the screen with the side of your hand and swiping across from left to right, or vice versa.