Yes it depends what model ps3 do you have this will help you out You must login or register to view this content.

You can only jailbreak a PS3: Model 1 ps3 can be jailbroken selected few Slims & no Super slim which is what I have I read the idiots guide but I'm not an idiot so it didn't make sense xP lol

By the looks of it, only one model can be jail broken but In my opinion, I think some underground hacking forums may have found a way to jailbreak more than one model. If there is such thing, it won't come cheap any way.

get edu-ma-ca-ted

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Hey super slim ps3s can now be modded with this You must login or register to view this content.
so maybe jailbreak too i don't know.

For one thing if your ps3 was released with 3.55 OFW or lower u are able to downgrade it to mod! You can buy a hardware flasher known as E3 Flasher Limited... Its worth the time and its easy for what ive seen, i just bought one with reader and adapter. Download thie FW checker its called MinVerChk it just checks to see what ur ps3 released with. if a NAND ps3 then id hire someone that does them unless u can solder, but if its a slim then u can clip it on easy lemons!!! just u need to follow the right tutorial on it or u may mess up and u dont want that!!!