Quick guide:
1: Make your USB stick using the iPrep v008 Pro UI
2: Boot to the USB stick
3: To Dump your drive type "DosFlash" (Without quotes)
3.1: Follow onscreen guide
For BenQ:
3.2: name your firmware "Ben-OFW.bin"
4: To Backup your firmware type "copy Ben-OFW.bin BACKUPS\ANYNAMEYOUWANT.bin"
5: To patch your firmware type "FirmTool Ben-OFW.bin Ben-CFW.bin
6: To Flash your Firmware type "DosFlash"
6.1: Follow onscreen guide
6.2: The file you want to flash is "Ben-CFW.bin"
For Samsung:
3.2: name your firmware "Sam-OFW.bin"
4: To Backup your firmware type "copy Sam-OFW.bin BACKUPS\ANYNAMEYOUWANT.bin"
5: To patch your firmware type "FirmTool Sam-OFW.bin Sam-CFW.bin
6: To Flash your Firmware type "DosFlash"
6.1: Follow onscreen guide
6.2: The file you want to flash is "Sam-CFW.bin"
To flash a Lite-on spoofed firmware:
1: To Flash your Firmware type "DosFlash"
2: Follow onscreen guide
2.1: The file you want to flash is "Lit-CFW.bin"
A more finished guide and maybe video guide will be available once I get any bug's that iPrep v008 Pro has.