PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net
PS3 Firmware Update 4.90 Released, Here's What It Does
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3™ | System Update
PlayStation 3's last system update seemingly killed console for good
PS3 Received a New Firmware Update, By the Way | Push Square
PS3 Update to System Software 4.89: Here's a Full Guide for You
PS3 goes the PSP route to thwart jailbreakers: Medal of Honor requires latest firmware | Engadget
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
PS3 UPDATE INSTALL USB FLASH DRIVE PLUG IN LATEST OFFICIAL SONY FIRMWARE FW OFW | eBay