Face ID Not Working After Screen Replacement: Common Causes and Fixes
Experiencing Face ID not working after screen replacement can be frustrating, especially when the display repair appears to be successful. On compatible iPhone models, Face ID relies on components within the TrueDepth camera system. If these components or their connections are disturbed during a repair, facial recognition may stop functioning. One possible cause is damage to the front sensor assembly or its delicate flex cables. During screen removal and installation, technicians need to handle these components carefully. A torn flex cable, damaged connector, or incorrectly positioned sensor assembly can affect Face ID functionality. Another issue involves the proximity sensor and ambient light sensor. These components support other front-facing functions, and problems with their connections can cause additional symptoms after a screen replacement. If the display works but Face ID remains unavailable, technicians should inspect the relevant sensor connections and check for visib...