How to slow down the time-lapse photography function of Apple mobile phone?

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

2. Then slide the function option to the left, as shown in the figure below.

3. Then find the action option and click the shoot button on the screen, as shown in the figure below.

4. Then click the red button on the screen after shooting, as shown in the figure below.

5. Then find the time-lapse shooting and click the shooting button at the bottom of the screen, as shown in the figure below.

6. When the following time ends, it will be automatically filmed, as shown in the figure below.