A series mai 5g chal gya hai Faisalabad mai lakin mere s25 ultra mai nahi chal rhe kya issue hai

How much time after i got 6.1 update plz tell me anyone.

I received notification, when I swipe them from top notification window, icon notification badges are also disappear immediately  how can identify that which apps notification I missed? When there is no notification count appearing on the app menus