Is there any way to record the phone when it is turned off?

Taking Apple 8 as an example, the method of recording video when using Apple mobile phone to lock the screen is as follows:

1. When the phone is locked, press the home button with your finger to display the screen. When the screen is displayed, click the camera function button at the bottom of the screen and slide the screen up.

2. While sliding the screen upwards, when sliding to a certain position, the finger stays on the screen and stays in the screen lock interface. Slide the camera to the right with your other finger to find the recording mode, and then click Start Recording.

4. At the beginning of recording, hold down the hand that locks the camera icon. After a while, the screen will automatically lock, thus completing the function of stopping the screen to record images.