It is crucial to distinguish between the two types of firmware a PUP file might contain, as installing the wrong one can have unintended consequences for your console.
Running homebrew apps, backing up physical discs, adjusting fan speeds, and installing mods.
: You can download the latest official firmware (version 4.93 as of March 2026) directly from the PlayStation Support website .
The PS3UPDAT.PUP file is the package format used by Sony to distribute PlayStation 3 system software updates. "PUP" stands for PlayStation Update Package.