Besides that, I also try to give you a full and secured way of PS3 jailbreak 4.82 with the help of Webkit Exploit Process.
Just go to youtube and search Smart SK Tech and find the video for PS3 jailbreak 4.81. But many console model update with this jailbreak. If you face 72% error or other percentage error during installation then this jailbreak file can solve your problem. Many model updates with new PS3 jailbreak.