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Swipe or Slide
To swipe or slide means to quickly drag your
finger vertically or horizontally across the screen.
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).
Rotate the screen
For most screens, you can automatically change
the screen orientation from portrait to landscape
by turning the phone sideways.