How to take screenshot on ZTE Grand X 3
Method: Press the buttons "Volume Down" and "On / Off"
This is probably the best known method to make the screenshot of an Android: using the combination of the "Volume Down" buttons and "On / Off". A simple trick that works on the ZTE Grand X 3. Just follow these steps:
Go to the app, image, cat or any other place you want to capture.
Press simultaneously the buttons "On / Off" and "Volume Down".
A flash around the screen and the sound of the shutter will tell you that the copy of the screen has been made.