Help r ecovering hard bricked t999

[PureE2]

The thing is i had my phone with android 4.3 and i flashed another bootloader and bricked my device,now i have my phone with my sdcard using it as a bootloader and i want to flash another firmware but i have a problem saying "Warrant bit=1" so i cant flashed the 4.1.2 firmware can somebody help me my phone with the firmware it has lost the modem bootloader and sound so i want to change its firmware