I'm not receiving security updates from last last 1 September update why? My mobiles battery draining issue is still here wich is solved in n986f model why I'm not receiving those updates in n986b model ?

My Samsung Galaxy Note 20 Ultra 5G version accidentally braked. 

Note10 plus main aur kisi ko signals issue aa rha hy.? Main jazz aur zong ki sim use kr rha hu mery area mn signals problem boht ziada hy kafi martba network providers sy rabta kia unho ny technical team bhi di to pata chala ye masla sirf mery cell p...

Everything is good but 128gb rom is a joke what the hell Samsung is doing 

What is this i used type-c handfree for first time because level u pro has damaged then i received this notification to update handfree 