flash a nand back up for your device variant,find appropriate recovery for your device and flash,then fastboot oem relock your device i would think should work
If that's the case, take a look here bro.
http://xdaforums.com/showthread.php?t=2540004
If that's the case, take a look here bro.
http://xdaforums.com/showthread.php?t=2540004