PS3 PRO MOD for PlayStation 3 v4.81 / 4.82 Firmware by LuanTeles | PSXHAX - PSXHACKS
PS3 Firmware 4.90 Download For RPCS3 (Latest Version) - Old ROMs
Sony PS3 Firmware v4.85 Released
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