Tools/materials: iPhone 13, iOS 15.4, and 8.2.0 cutting.

1, open to start creation.

Open the clip's home page, select the option to start creating on the page, and then click Open.

2. Click Add.

Turn to the page of adding video material, select the video click page, and click Add.

3, open the edit

Turn to the video editing page, select the editing option at the bottom of the page, and click Open.

4. Click Cut.

Page Selection Cropping Click Open to flip to the cropped page, drag the box selection icon and select the outer background box.

5. Click the check mark.

After selecting the box, click the check icon in the lower right corner to return to the video editing page.

6. Click on the canvas color.

Click the option to find the background at the bottom of the page, turn the page, and select the canvas color. Click to open the Canvas Colors window and select the background you want to change.

7. Click the check mark.

Use two-finger zoom to resize and position the video. After adjustment, click the checkmark icon to replace the original background of the video.