It's NOT a 4.31 ! Thisd CFW is 4.30 with spoof 4.31.
This CFW is for CEX ps3 only.
this CFW is a copy of my latest release, is a team that knows copy the work of others! !
Watch this video, me at least there is a link to PS3Hax in category "Web Link" Manager XMBX => cfw arch 4 30 rev 3 00 spoof 4 31 démo - YouTube