PS3 Downgrade Jailbreak 4.82 to 3.55 No Password No Survey - Tested
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
How to Jailbreak a PS3 (with Pictures) - wikiHow
PS3 How To Install multiMAN On 4.82 Custom Firmware! *Jailbreak Required* - YouTube
PS3 HAN Toolbox v0.5 - Super Slim OFW 4.82 Via USB 2018 - YouTube
Christmas in November" release: PS3 Custom Firmware installer for Firmware 4.82 - Wololo.net