(adsbygoogle = window.adsbygoogle || []).push({}); I am sure everyone here knows that you may update a ps3 system using a usb stick and manually getting the update from sony's webiste. Well if we could access a 3.41 update file that someone has downloaded what if a psjailbeak update made it possible to install custom firmware or we could install 3.41 again? like if we renamed the extension to .pkg would it work or brick a ps3?