PS3 Update 4.88 June 1, 2021 Firmware Patch Released - MP1st
PS3 System Update v4.88 Sneaks Out - Download Links are Here - Terminal Gamer - Gaming is our Passion | PS4, PS5, Xbox One X/S, Nintendo Switch, Oculus Quest
PS3 Firmware Update 4.90 Released, Here's What It Does
New PS3 Firmware Update 4.88 Is Out - RPCS3 Quick Guide - YouTube
PS3 - [UPDATE2] multiMAN v 04.81.00 / .01 /.02 ( BASE / UPDATE / STEALTH for CEX & DEX) Updates by deank | PSX-Place
PS3 Custom Firmwares (CFWs) : Free Download, Borrow, and Streaming : Internet Archive