Please perform the following steps to resolve the issue: 1- If any screen guard/tampered glass/protection film is available then first disable the fingerprint settings and then remove the screen guard. 2- Once screen guard is removed now register the fingerprint again and check the issue. 3- If problem does not get resolved, run the device in Safe mode and reconfigure the fingerprint.
For face lock:
1- Kindly delete all registered face lock and re-register a new face lock.
2- Ensure that you are in a well-lit area and that the camera lens is clean while registering. 3- Ensure your image is not blurry for better match results.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > click on “+“icon > send feedback > error report/ask questions).
