Originally posted by spark32
No one even jailbroke it. A sony employee leaked out an official jig, which was reverse engineered to be used on microcontrollers, which the the PS3 scene reverse engineered again to be used on a whole shit load of stuff.
Since all this was originally made by Sony, they knew how to block it.
There is no proof of that, the device was even deemed legal by a court as the original did not use any of Sony's code.