For late-model Slims and Super Slim consoles that do not support full CFW.
Ensure the drive is FAT32/MBR (not GPT) and that PKG files sit on the absolute root of the drive. Best Practices for File Management
Here's a step-by-step explanation of how PKG and RAP files work together: Ps3 Pkg And Rap Files
Technical simplicity, practical complexity
*Updates, themes, and demos usually use a generic/system key, so no extra RAP is required. For late-model Slims and Super Slim consoles that
If you use RAP files for content you didn't pay for, do not sign into PSN while playing that content. Use a "dummy" PSN account or disable internet connectivity.
Modern homebrew tools make activating RAP files incredibly easy. Method A: Automatic Activation via WebMAN MOD / CFW If you use RAP files for content you
Navigate to Game > Package Manager > Install Package Files > Standard . Select your PKG file to install it. Activate the RAP:
Think of a PKG file as an installation package for the PS3. It is a container format used by Sony to package and distribute installable content. Many different kinds of content on the PS3 are distributed this way.