If your Samsung phone's fingerprint sensor isn't working, you can try these steps:
Restart your device: A simple restart can fix minor software glitches.
Check your fingers: Make sure your fingers are clean and dry, and not too wet. You can try moisturizing your hands with lotion.
Check the sensor: Make sure the sensor area is clean and free of smudges.
Check your screen protector: Make sure your screen protector is attached properly and tightly.
Remove and re-register your fingerprint: You can do this by going to Settings, then Biometrics and Security, then Fingerprints. From there, you can remove your existing fingerprint and register a new one.
Check for security policies: Your device may have security policies that restrict or disable the fingerprint sensor.
You can also try these steps if your fingerprint isn't working with Samsung Pay or Samsung Pae sure your fingers and the sensor area are clean Check that your screen protector is attached properly
