The file is the gateway for the modern PS3 enthusiast. It balances the stability of Sony’s latest official software with the freedom of the homebrew community, ensuring that the PlayStation 3 remains a relevant and versatile media center years after its retirement.
Place the downloaded file into the UPDATE folder and ensure it is named exactly PS3UPDAT.PUP . HFW-4.91.1-PS3UPDAT.PUP
Installing HFW is generally very safe. Because it does not modify the core "LV2" kernel of the system, the risk of "bricking" (breaking) your console is near zero. However, always remember: The file is the gateway for the modern PS3 enthusiast