Bright Spots, Dead Pixels, or Screen Bleeding on Phones: How to Diagnose LCD and OLED Display Damage
Phone displays can fail in subtle ways long before the device becomes unusable. A small white dot, a black pixel that never changes, a pink tint on the edge, or a glowing corner on a dark screen may all point to different kinds of display damage. Because modern phones use both LCD and OLED technologies, diagnosing the problem correctly helps determine whether the issue is minor, worsening, repairable, or a sign that the screen assembly needs replacement.