Screen Flickering During Calls: Real Causes, Proven Fixes

A smartphone screen shows visible flickering during an active phone call, with brightness banding across part of the display.

Screen flickering during calls is almost always caused by one of three things: a malfunctioning proximity sensor, auto-brightness fighting your display in real time, or a weak network signal overwhelming your phone’s GPU during video calls.The fastest fix for most people is to disable auto-brightness and clear your Phone app’s cache  both take under two … Read more