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When playing photos, the Photo Viewer has following playback features:
Tap
to go back to the previous photo; tap to switch to the next photo.
Tap
to rotate the photo.
Tap
, to zoom in or out of the photo.
Tap to play the photo in full-screen mode; double tap the screen again to return to
Photo Viewer.
Tap
to return to the photo list.
Photo Viewer