Iphone time-lapse photography can't zoom

This situation is caused by poor contact or failure of the front camera. The solution can only be solved by replacing the camera.

If it is not within the warranty period, you can go to the repair shop outside to repair it. After explaining the phenomenon, if it is detected as poor contact, unplug the camera and plug it back to solve the problem of poor contact. If the camera is damaged, it will be replaced to solve the problem.