Exclamation [q] how to flash stock files to kfhd 2013 model through fastboot?

Hi guys

I have these stock kindle sytstem files provided in this thread; http://forum.xda-developers.com/show...2650596&page=2
I have a Kindle Fire HD 7 2013 model and a factory cable. Im on the brink of giving up hope.. I have bricked my device and need to restore it using these files. I can get my device into fastboot mode. Can some one please please provide a step-by-step detailed easy guide on how this fix this. I would highly appreciate it if someone could help... '

Please Guys!