From the Home screen, swipe up and then find and tap Photos.
- Tap a video thumbnail to view it in full screen.
Note: Videos captured using hi-res audio cannot be trimmed.
- Tap , and then drag the trim sliders to the part where you want the video to begin and end.
- Tap to preview your trimmed video.
- Tap Save.
The trimmed video is saved as a copy. The original video remains unedited.