Unhappy [Q] please help stock on samsung note 3 logo

please somebody help me i was trying to root my phone the root fail i have samsung note 3 att SM-900A 4.4.2
when the root fail in the middle of the process in odin the phone give me a message to connect it to samsung kies and recover the phone i tried and tkies fail to recover i also tried to install the ota 4.4.2 to the phone buy exporting the file to sd card and directly trying to update with the phone and it also fail.. please somebody tell me how i can fix this I am going crazy.