Please be assured and to resolve "Fingerprint" issue kindly follow the given below steps:
>>We always recommend to use screen guards form Samsung only. If you are using any 3rd party screen guard/protective film/tempered glass on the phone, kindly try to re-register your fingerprint after removing it by following these steps.
Disable fingerprint settings and then remove the screen guard. >>>Register a new fingerprint:-Settings> Bio metric and security>Fingerprints>Continue>Set secure screen lock>Start with center.
If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report) along with the Video or Screen-shots. This will help us to further investigate and resolve your concern. Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.
