The official firmware must be replaced with the Hybrid version to exploit the webKit vulnerability.
For users on firmware 4.89, the combination of and MultiMan (multiMAN) remains the gold standard for game management, file navigation, and backup loading. This article covers everything you need to know about running MultiMan on PS3 HEN 4.89. multiman ps3 hen 4.89
This is a "soft" homebrew enabler compatible with all PS3 models, including Slim and Super Slim units that cannot run permanent Custom Firmware (CFW). You must click "Enable HEN" The official firmware must be replaced with the