mobile

I rooted my s5 a couple weeks ago, with odin v1.85 afterwards my stock rom stopped working I tried flashing several different roms only the aosp roms would run, so now i decided to unroot and retry everything now the phone boots up to the sprint boot animation then freezes any one have any clue whats going on? my s5 was on 4.4.4 before rooting if that helps i'm completely new to samsung so I dont know about specific firmware, but if firmware the case please tell me.