Samsung SM-G800H/DS Manual page 97

Gallery
Video trimmer
Trim video segments.
1
Tap Gallery on the Apps screen.
Tap → Studio → Video trimmer.
2
3
Select a video to edit.
4
Move the start bracket to the desired starting point, move the end bracket to the desired
ending point, tap DONE.
Current position
Start bracket
5
Enter a filename, and then tap OK to save the video.
97
End bracket