Why is my iPhone screen dimming? And further how to settle it quickly and efficiently? In principle, both problems are complementary to each other. Figure out the reason for iPhone screen dimmed, then it is not far from a successful solution to the problem. So then what does the issue actually result from? On the basis of studies and analysis, it is found that iPhone software glitch and wrong configuration are largely to blame. In view of such causes, this paper gives 6 viable solutions to work you out of it.