1. Ambient light problem: The deviation between red and other colors is caused by the lighting problem in the shooting environment. Shoot in different lighting conditions to see if red still appears.

2. Camera failure: the camera of the mobile phone is faulty or damaged. Use other camera applications and other cameras to check whether the camera of the mobile phone is normal, and the camera applications and other cameras also display red. Need to contact Vivo customer service to repair and replace the camera.