PS3 System Update 4.82 Now Available, View What's New
PS3 Update to System Software 4.89: Here's a Full Guide for You
PS3 System Software Ver. 4.82 | XTREME PS
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
How to Fix the PS3 System Software cannot be run correctly Error - YouTube