My Galaxy S3 has developed a graphics fault (see image) and I don't know the cause or the cure. It has not been exposed to humidity or any thing magnetic and to the best of my knowledge it has not been dropped. Im not sure whether its a hardware or an Android OS issue.
The fault is a purplish blemish that seems to be getting darker and bigger with time. Has any body got any idea of the cause but more importantly the cure (if any). Many Thanks