Created by the community, these files are "resigned" using a specific "fake" passcode (usually a string of 32 zeros). This allows a jailbroken PS4 to treat the file as legitimate without needing a Sony-issued license. 2. Requirements for Using FPKGs

Boot your PS4 and run your chosen jailbreak exploit to enable Debug Settings .

Distributed by Sony via the PlayStation Store. These files are encrypted and require a valid digital license (RIF file) tied to a PSN account to run.

Move your .pkg files to the root directory (not inside any folders) of the USB drive.