Stuck on Samsung Logo After Flashing Custom 4.4.2 rom topic

Hi, i came from 4.3 official rom, i rooted it then installer clockworkmod recovery 6.0.4.8 and then tried 2 4.4.2 custom roms.. but whenever i try to boot the phone it just stays on samsung logo .. on recovery installation goes fine .. i've made all the formats and wipes before each instalation .. i dunno why my phone is bricked