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This A3112 Finger Print Sensor Touch ID Button replaces the original power button and biometric reader on the 2024 MacBook Pro 14″ M4. It actively reads fingerprints for secure login and powers on the device. Replacing this part solves issues with unresponsive power buttons or failed fingerprint recognition. The new sensor ensures reliable authentication and device startup.
NOTE:
” This part does not restore Touch ID functionality, as the sensor must be paired with its original logic board.”
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