yes its OUT here the tutorial:
1 first unplug your ps3 (every cable must be unpluged!!)
2 open your window
3 look out the window and look if nobody is walking there(tip! when gary is there BONUS)
4 take a drink
5 take the ps3 in your 2<!!> hands and trow it with all of your power you have out of the window.
when you here ONE AUW then you are on CFW auw.! BUT!!! when you here 2 AUW then you ****ed gary in his ass with psn support