1.5mm and 2mm Allen wrench, new camera module
①. Open the front door cover and loosen the fixing screws on both sides of the camera cover, but there is no need to remove the screws.
②. Remove the camera cover.
③. Unplug the signal cable of the camera, and then unscrew the 4 screws fixing the camera to take out the camera.
①. Fix the brand new camera on the door cover and connect the signal cable
②. Reinstall the camera cover.