1. A method for detecting defective pixels and screen imperfections, comprising the steps of: positioning a mobile device having a display screen in a testing chamber; capturing an image of the display screen using a camera directed to the display screen, the image has a plurality of image pixels and is a photographic representation of rows and columns of a plurality of display pixels of the display screen, each image pixel having Red, Green, and Blue values (RGB values) varying from 0-255; performing a pixel detection analysis of the image; and determining an image pixel of the plurality of image pixels is a questionable pixel if at least two of the R, G, and B values of the image pixel are greater than 30.