To play a video
Tap the Home Button
> the Apps icon 
> Gallery 
.Scroll up or down to view more albums.
Tap a video in an album to play it.
NOTEIf you set the default app for video playback in the pop-up, video playback will begin as soon as you tap a video in an album. Otherwise, you'll need to choose the app each time you want to view a video.
Tap the video while it’s playing to view the playback controls.
While playing a video, the timeline allows you to jump to that part of the video.
While playing a video, press the Volume Keys
to adjust the
volume.When using the Video app, tap the Options
to access Screen ratio, Subtitles, Share, Details, and Settings.
NOTEThe recording retains the orientation in which it was taken. If you hold the phone both vertically and horizontally to take pictures and record video, you'll need to rotate the phone to view full screen images in the Gallery app.