Remove unwanted scenes from a video you recorded on
HTC Desire X.
Events view, go to the video that you want to edit.
While viewing the video, tap
Drag the two trim sliders to the part where you want the video to begin and end.
As you drag a slider, you'll see time markers and video frames. The one in the middle is your start or end frame.
Tap to preview your video.
The trimmed video is saved as a new file. The original video remains unedited.