PS3Xploit and PS3 "BGToolset" Toolset are back, v1.2.006 adds Firmware 4.90 support - Wololo.net
PS3 - How to Install CFW on PS3 Console (4.85 only)! | PSX-Place
News: FERROX 4.85 CFW with Cobra 8.20 released for the PlayStation 3 and RetroArch 1.8.1 is out with accelerometer/gyroscope support on PSVita & Switch, further improvements to mobile UI and more! - Wololo.net