Help me to make my android device private

The device I'm talking about was distributed by some organization for ~~free~~ but it had knox mdm. So I bypassed it with some frp bypass tool then removed knox mdm. I still can't use shelter or insular. I've rooted it and I know rooting has some security risks but I think I need xprivacylua.

I've removed every bloatwares with universal android debloater gui in recommended section and some in advanced and expert section including packages with trackers (according to aurora …

android android device device privacy