Fingerprint issue

Fingerprint Not Showing / Working

Fingerprint options only shown on settings suggestions
Not in security tab

I am also facing the same

This problem is occur after 8.0 ‘O’ update …?
Go back on 7.1.2 nougat … ! Because is better and few bugs than Oreo

Visit to nearly service center of smartron …
And reset mobile on nougat 7.0 or 7.1.1