For much of its lifecycle, the PlayStation 3 was regarded as a secure fortress. Following the "Geohot" hypervisor breach (2010) and the subsequent "fail0verflow" keys leak (2011), Sony aggressively patched security vulnerabilities. This necessitated the use of hardware modifications (flashers) to downgrade firmware for users wishing to execute homebrew code.
Through RetroArch, your PS3 becomes an all-in-one emulation station capable of playing NES, SNES, Sega Genesis, and even PS1/PS2 titles. ps3xploit
The Complete Guide to PS3Xploit: Unlocking Your PlayStation 3 For much of its lifecycle, the PlayStation 3
The first step in using PS3Xploit is determining which path your console supports. Not all PS3s are created equal. 1. Custom Firmware (CFW) For much of its lifecycle