I'd assume they just make the phone look like a sony phone so the ps4 would be tricked into thinking it is.
It shouldnt be that hard
*sighs*
Nothing with anything jailbreak related and iPhone will ever surface because everyone would be shook that they would have to go through the same scenario Geohotz did & that isnt worth it. Is the ability & technique there for it? Yes, is anyone willing to risk it?? Hopefully not.