AT&T I747 with 4.1.1 Bootloader flashed I747MVLUEMK5

everything look works. but wifi won't turn on. i found this on logcat
I/WifiManager( 1022): setWifiEnabled : true
I/WifiService( 670): setWifiEnabled: true pid=1022, uid=10142
E/WifiHW ( 670): ##################### set firmware type 0 #####################
E/WifiHW ( 670): Cannot open "/data/.cid.info": No such file or directory
E/WifiHW ( 670): ==========[WIFI] Station firmware load ===========
I/WifiHW ( 670): Start Check B2 #######
I/WifiHW ( 670): Check rev file: No such file or directory
I/WifiHW ( 670): invalid is written to (persist.service.bdroid.ret)
E/WifiHW ( 670): Failed to read persist.service.bdroid.pid
E/WifiHW ( 670): failed to read BT poke PID
E/WifiHW ( 670): return of insmod : ret = -1, Exec format error
I/WifiHW ( 670): invalid is written to (persist.service.bdroid.ret)
E/WifiHW ( 670): Failed to read persist.service.bdroid.pid
E/WifiHW ( 670): failed to read BT poke PID
E/WifiStateMachine( 670): Failed to load driver

i think i am using old i747m bootloader. lemme flash i747 bootloader and see how it goes.

i am using old i747 i747ucdlk3 bootloader and i747mvluemk5 rom. wifi won't work.