We can judge that the optical filter of the wide-angle camera is damaged. Then we disassemble the phone and try to repair the camera. First of all, put the camera on the specialized Heating Platform at 100 °C.

When the temperature reaches 100 °C, remove black adhesive around the camera with a Sculpture Knife. Then pry up the wide-angle camera.

Attach the camera to the specialized holder. Before repair, apply protection tape to the camera.