Finger print doesn't work

[samikhan99]

When I try to set my finger print lock it's show ( fingerprint sensor calibrations needed show problem countious contact customer service) what's the solution of this ? 

[Adiiiikhan]

My samsung phone finger print very slow working and sometimes finger doesn't scan my finger plz solve this problem upcoming updates

[Saadi121]

Bro you must reset it if it's not working properly then its software problem

[JimmyAdam]

Reset the device to resolve the problem