When the screen is black or locked, double-click the volume down button to take a picture.
First, the browser searches and downloads the lock camera APP, as shown in the figure. After the installation is completed, click on the mobile phone desktop to open the lock screen video APP. Go to the homepage of the APP and click the "rear" option at the top to switch to the front or rear lens.
If the screen of vivo mobile phone is closed, you can't record with the camera. When recording, the screen of the mobile phone is closed, and the video will be automatically stopped and saved.
Hello, the recording method of Huawei mobile phone when locking the screen is as follows: turn on the phone and slide your finger down from the top of the screen. Page pop-up option, click the screen to record. Enter the screen recording dialog box, and click Start Recording in the lower right corner.