First get a working ps3 on fw 3.55 or less
2nd if on 3.55 upgrade it to 3.55cfw (e.g) geohots, kemeaw
3rd after installing cfw get a filemanager on your usb (e.g) comgienes
4th find a patch and put it on your usb
5th overwrite the orignal one in the file manager while on your ps3