How to use WhatsApp fingerprint lock and his profit and loss

Hello friends,
Is video me maine aapko WhatsApp ke security feature ke bare me btaya h aur uske kya profit and loss h unke bare me btaya h.

Umeed h aapko video Achi lgi hogi.
Thank you

Check out me on :-
Facebook :- https://m.facebook.com/RAKESH7630

Instagram :- https://www.instagram.com/techno_r_offical

My setup

Camera :- My mobile (Realme 3)

Mic(Boya M1) :-

Tripod :-


Thank you