Zte BLADE V7 LITE User Manual page 22

before you start to move your finger. While dragging, do not
release your finger until you have reached the target position.

Pinch
In some apps (such as Maps, Chrome, and Gallery), you can
zoom in and out by placing two fingers on the screen at once
and pinching them together (to zoom out) or spreading them
apart (to zoom in).
 Rotate the screen
For most screens, you can automatically change the screen
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