Zte SPRO Quick Start Manual page 19

Drag

To drag, press and hold your finger with some pressure 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, Browser, 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).
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