This light sensor flex cable is a direct replacement for the Samsung Galaxy S21 Ultra light sensor assembly. It restores automatic screen brightness and ambient light detection when the original component is faulty.
Use case: replace a non‑responsive or erratic light sensor to recover automatic brightness control for calls, navigation, and outdoor viewing without repeatedly adjusting settings. Professional installation is recommended to avoid damage.
-
Compatibility: Designed for Samsung Galaxy S21 Ultra models; fits standard variants for a precise alignment.
-
Material & design: Thin, flexible flex cable with connector end matching factory layout for seamless integration.
-
Function: Restores ambient light sensing and auto‑brightness controls after sensor failure.
-
Condition: Pre‑inspected and supplied in working condition to simplify repair planning.
-
Installation note: Requires disassembly of the display assembly and recommended professional repair tools.
Light specifications: Cable length ~28–35 mm (varies by internal routing); color: black flex ribbon with gold contacts.
Fit statement: Intended only for Samsung Galaxy S21 Ultra; confirm model and serial variant before purchase.
