The problem of iPhone screen flickering sounds as if it were prompted by hardware faults. But in fact, this matter, in most instances, is triggered by software glitches on the iPhone. Even so, the possibility that certain imperceptible hardware issues, like the loose connection of the display circuit, will also throw your iPhone in such trouble, could not be ignored. In order to furthermore settle the matter, the following puts forward 5 feasible methods based on the analysis of causes. Read on to learn more.