hi i did the tutorial in flashing stock via odin. and flashed the cwm recovery for kitkat. flashed a rom with 4.4.2 ( biftor) and i restarted my device. now it is stucked on samsung logo ( STUCKED! ) and it doesn't seem to change. i did the odin again the stock firmware. and it doesn't move to samsung logo. ( without yellow triangle ) any help? ( please