[ahmedksal]

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Ahmed.K.Salman>cd\

C:\>cd fastboot

C:\fastboot>fastboot devices
HC3CBW9E0228 fastboot

C:\fastboot>fastboot oem rebootRUU
... (bootloader) Start Verify: 0
OKAY
Execution time is 31(ms)

C:\fastboot>fastboot flash firmware firmware.zip
sending 'firmware' (43399 KB)... OKAY
writing 'firmware'... FAILnot allowed
FAILED (remote: not allowed)
Execution time is 3(s)

C:\fastboot>