It's an annoying issue that occurs when you notice that your iPhone screen flickers . It's not only an issue for older iPhone with certain users reporting it in newer models too. If it's happening continuously the user will have to do something about it and it could be due to various reasons. Below are the methods to resolve the problem. You can force restart your iPhone to prevent the glitch on your screen First step to reset your iPhone. There are a variety of methods to try based on the version of iPhone you're using. How to fix the problem when iPhone Screen is Flickering Hard Reset on an iPhone 8 or newer Press and release quickly the volume button. Press and release quickly the volume button. Hold and press on the button to side. If it appears that the Apple logo appears press and let go of the side button. The hard reset iPhone 7 or 7Plus Press and hold the volume-down button as well as the Sleep/Wake buttons at the simultaneously. If you see th...