Samsung A50 fingerprints not working

[MostafaMohammed50]

Hello please anyone tell me how to fix this problem please 

I replaced touch and bagh mobile after destruction 

After that fingerprints not work and when removed old one to sign new one not working and not signing a new one 

I make factory reset it working once then stopped and make firmware through Odin and not working 

So this problem from touch and bagh replaced or not and how I fix this 

[MostafaMohammed50]

plz anyone answer me

[sayanm50]

go to service center

[MostafaMohammed50]

so need software ?

[navisingh]

visit service centre as you have already factory reset

[MostafaMohammed50]

So this is software problem

[navisingh]

It may be software or hardware issue