Such modifications typically void the warranty, leaving users without official support from Sony.
Installing PKG files on a physical PS3 requires custom firmware (CFW) or PS3HEN to enable the "Package Manager". How To - Install PKG - C00 - EDAT - RAP Files For RPCS3 Ps3 Pkg File Download
A PKG file is a compressed package format specifically designed for the PlayStation family of consoles. On the PS3, these files serve as containers for executable data and assets. While officially used for PlayStation Store downloads, the format is also utilized by the homebrew community to install custom applications and backups on consoles running or PS3HEN . 2. Acquisition and Preparation Informative Review: PS3 PKG File Download Warranty: Such
PKG files are the standard for digital distribution on the PSN. To work, most PKG games require a corresponding Learning PS3 homebrew dev : Installing PKG files