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 Update CFW on a Jailbroken PS3 - YouTube
PS3HEN 3.2.2 Released! - Wololo.net
Latest PS3 Firmware 4.84 now hacked thanks to "hybrid firmware" release - Wololo.net