Originally Posted by mirGantrophy
download a ROM.. put it in your fastboot folder,
boot into fastboot and try this
fastboot flash zip name_of_rom.zip <-- this works with HTC RUUs, may work with an actual ROM.. Use at your own risk, I have never tried it with a custom ROM.
I took the .img files from the rom.zip that you get from the RUU, but it doesnt work.
C:\Programas\Fastboot>fastboot flash boot boot_signed.img
sending 'boot' (6156 KB)...
OKAY [ 0.966s]
FAILED (remote: not allowed)
finished. total time: 1.000s
C:\Programas\Fastboot>fastboot flash system system.img
sending 'system' (1048572 KB)...
FAILED (remote: data length is too large)
finished. total time: 0.309s