PS3 Firmware Update 4.84 Released Today on Valentine's Day by Sony
IRISMAN v4.90 by various - PS3 Brewology - PS3 PSP WII XBOX - Homebrew News, Saved Games, Downloads, and More!
Sony PlayStation 3 Firmware 4.90 Download | TechSpot
If I have a Dex jailbroken PS3 on 4.84, can I still get online even though the latest version is 4. 84? If not, how do I update it without ruining the jailbreak? - Quora