How to set the number of frames recorded by Apple's mobile phone?

Step 1: Turn on the iPhone, find and turn on the "camera", as shown below.

Step 2: In the camera interface, if the current interface is "Time Delay Photography", you can slide the screen to the left and switch to the video interface, as shown below.

Step 3, make the next shot video be a normal rate video, as shown in the following figure.

Step 4: After clicking the red circle, you can start shooting video normally, as shown in the following figure.