LG L40 Guide De L'utilisateur page 277

To change the volume while watching a video, press the Volume Keys on the left side of the
phone.
Touch and hold a video in the list. The Share, Delete and Details options will be displayed.
NOTE: While watching a video, slide the left side of the screen up and down
to adjust the brightness. Slide the right side of the screen up and down to
adjust the volume.
Touch to pause/resume video playback.
Touch to go 10 seconds forward.
Touch to go 10 seconds backward.
Touch to manage the video volume.
Touch to change the ratio of the video screen.
Tap to capture image during playing a video.
Touch to lock/unlock a video screen.
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