Method 1: press and hold the Home button and the power button at the bottom of the screen for about 2~3 seconds. When you see the screen border flashing and letting go, the screenshot is successful.
Method 2: Standby-Application-Settings-(My device)-Actions and gestures-Palm Action-Palm Action slider opens-Screen capture slider opens. (S5 mobile phone, this option is to slide the palm to capture-Open)-Just slide the side of the hand from right to left (from left to right) to take a screenshot.
Method 3: Standby-Application-Settings-(My Device)-Accessibility-(Agility and Interaction)-Helper Menu-The slider of the Helper Menu opens-Just select the screenshot in the white box.
If you use a Note series mobile phone, you can also take a screenshot with a stylus. Operation: Take out the stylus-hold down the key on the stylus and click the screenshot. After the screenshot, click the check mark in the upper right corner to save.