How to shoot a square video on Apple's mobile phone?

1. Use other software on Apple's mobile phone, such as beauty camera, to shoot a square video. First, turn on the beauty camera installed on the phone.

2. After entering the main page, select and click the "Photo" button.

3. Change the above ratio to 1: 1.

4. Long press the following point to shoot.

5. After shooting and saving, you can get a square video.