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
Pack Console Downgrade PS3 Jailbreak 4.82 4.83 DEX de developpement
PS3 System Software 4.82 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS