The red color below the qq phone camera indicates hanging up, and the two grays in the middle indicate closing sound. Only when you click the first option can you turn off the camera button. The demonstration is as follows:

The following steps show that the QQ version used is V8.9.5.8845.

1, qq video phone, click the first "three".

2. After clicking, more choices will pop up below, and click "Camera".

3. Click on it. When a diagonal line appears on the camera icon, it means that the camera is turned off. Click it again to open it.