Tools: Apple 13, iOS 15.4, Settings.

1. First, find the setting icon on our mobile phone desktop and click it, as shown in the figure below.

2, and then click on the control center, as shown in the figure below.

3. Then click the green "+"on the left side of the screen to record, as shown in the figure below.

4. Then switch the mobile phone screen to the secondary screen and click the record button, as shown in the figure below.

5. Then click or turn off the microphone switch according to your own needs, as shown in the figure below.

6. Then click Start Recording, as shown in the figure below.

7. Click on the red area at the top left of the screen after recording, as shown in the figure below.

8. Then click Stop, as shown in the figure below.

9. After this operation is completed, we have successfully completed the related operation of Apple's mobile phone screen recording.