Grey screen but OSD

I have checked the wires if there are broken inside. I have resolderd the wires to the camera. And still only grey. Should i buy a new AIO or what? The drone is a Air65 4in 1 with external ELRS and the Camera is a C03.

I have checked the wires if there are broken inside. I have resolderd the wires to the camera. And still only grey. Should i buy a new AIO or what? The drone is a Air65 4in 1 with external ELRS and the Camera is a C03.