For Samsung Galaxy Watch 42mm (R810) - Replacement Power & Back Button Flex Cable

Restore the navigational reliability and tactile response of your wearable with this High-Grade Button Flex Cable. Specifically engineered for the SM-R810 architecture, this assembly features the internal dome switches for both the "Power" and "Back" commands. It is the definitive hardware solution for resolving unresponsive physical keys, "sticky" button feedback, or a complete failure to boot the device. This component ensures a perfect electrical handshake with the watch's logic board, maintaining the original mechanical travel and signal timing required for seamless menu navigation and emergency power-off functions.