It is the mandatory bridge for consoles that cannot install Full Custom Firmware (CFW), such as SuperSlims and later Slim models.
Always verify the MD5 hash of your HFW download to prevent bricking your console with a corrupt file. ps3 4921 hfw
Create a folder structure on your USB drive exactly like this: USB (Root) > PS3 > UPDATE Place the PS3UPDAT.PUP file inside the folder. 2. Installing the Firmware Plug the USB into the right-most port of your PS3. It is the mandatory bridge for consoles that