I got locked out of my phone to the point where I got the notification "IPhone disabled. Please connect to Itunes" When I connected it to itunes I had to reset/restore the phone in order to access it. ...
On my iPhone (and iPad) I have "Photo Stream" enabled for my primary Apple ID (I have others setup for mail, etc). On my iPad it works fine - I see the one "Photo Stream" button and everything shows ...