okay.... i got the iphone 4 jailbroken.... got the mywi app on the phone .... i currently have it connected to my imac and am on the internet just fine... the ps3 will not recognize the phone so i put an ethernet cord from imac to ps3 and did the shared network under settings on imac... but ps3 still not recognizing that there is even a ethernet cord plugged in .... what am i missing... help!!!!!!