Open the Photos app
Select the video you want to edit
Tap Edit
Trim the video by dragging the start and end handles
Add filters by tapping Filters
Adjust exposure, brightness, contrast, highlights, and shadows by tapping Adjust
Change color settings (if available) from the Adjust options
Apply rotation or crop by tapping Crop/Rotate
Add effects by tapping the Effects option (if available)
Add music by tapping Music and selecting a track or sound effect
Add voiceover by tapping Voiceover and recording
Add text by tapping Text and choosing a style
Add drawings by tapping Markup and using tools like pen, pencil, or shapes
Change playback speed by tapping Speed (if available)
Save changes by tapping Done
To discard changes, tap Cancel and confirm
To save a copy instead of replacing, choose Save as New (if available)
To share, tap Share and choose an app or method