Download from http://www.simplejailbreak.com/

Or download direct from http://filesmy.com/2n7H61

Download latest version of multiMAN http://jafiles.net/2n7H80

Download PS3 Jailbreaker Tool with latest firmware 4.11 jailbroken firmware links in it. You can simply download the downloader from the website www.simplejailbreak.com and run it you can see two download button press one of them and download your jailbroken custom firmware version 4.11 PS3UPDATE.PUP
Both download button include different mirror paths so if one is down so other one is working