Mobile phone camera settings, first restore the mobile phone to the default camera settings, and then shoot to see if there is any improvement. The camera model of each mobile phone is different, so set the shooting effect of each camera. If the shooting effect is the same, restore the default settings and adjust to the camera.
The left and right faces of the video recorded by the national K song are reversed. It should be that the platform has mirroring function by default. See if there is an option to adjust the function of the rearview mirror.