Originally posted by G33
hi i have been trying to jailbreak my ps3 i have the first model i have downloaded the down-grader i have downloaded darknet cobra and i have multiman im doing some wrong when i go to system update its saying no data found can someone give me a step by step guide plz thanks in advance
It is not something you simply download and install unless you are on firmware 3.55 or lower, or already on cfw.
You need a hardware flasher to downgrade your ps3 to 3.55, then you will be able to install one of those downgraders.