You must install stock rom with Odin. It is easy and you find steps if you search on google.

Sent from my GT-I9505 using Tapatalk 2
GT-I9505 = STOCK 4.4.2 with DBT I9505XXUGNF1 ,rooted with Towel Root(KNOX 0x0)
GT-I8190 = STOCK 4.1.2(I used Cyanogem mod but for poor suport i revert back to stock)
V-500 = AICP ROM(for me the best custom rom ever)