How to Jailbreak Your PS3 on Firmware 4.84 or Lower! - YouTube
Warning PS3 New Update 4.83 Do Not Update For Now !!! - YouTube
PS3 System Software Ver. 4.83 | XTREME PS
PS3 News: multiMAN 4.85 released coming with support for CFW 4.83 to 4.85 - First update to this highly popular backup manager since the release of FW 4.82! - Wololo.net
4.83...HOW TO GET BACK ONLINE WITH YOUR JAILBROKEN PS3 AFTER SONY PATCH - YouTube