Usually GM is one week before final release. And final release is usually one week after the iPhone event. I.e. usually GM releases the same day as the event.
But this year the final release is 9 days away, on the 19th, so I think there's a chance GM could be out on the 12th instead.
But this year the final release is 9 days away, on the 19th, so I think there's a chance GM could be out on the 12th instead.