can any1 pls help me...i have a jailbroken ps3 runnin on 3.55 firmware and the custom firmware is gaia manager......now i wanna unjaibreak it.. so i downloaded the official 3.55 firmware to my macbook but its a .rar file and frm the information I've gathered it needs to be a .PUP file ...so my question is how do i go about extractin the .PUP from the .rar file do i need to download WINRAR to extract .PUP and if so how do i do it...pls help.m a noob in all of this...HELLLLP
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