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spblat

macrumors 6502a
Original poster
Jun 18, 2010
968
0
iPhone (original)
Released June 29, 2007
iOS 1.0.1: Tuesday July 31, 2007
32 days, 22 weekdays

iPhone 3G
Released July 11, 2008
iOS 2.0.1: Monday August 4, 2008
24 days, 16 weekdays

iPhone 3GS
Released June 19, 2009
iOS 3.0.1: Friday Jul 31, 2009 (SMS security flaw)
42 days, 30 weekdays

Average the numbers above and you get 33 calendar days from hardware release to first software update. If history is a guide (and there are many reasons why it might not be), these numbers suggest Wednesday July 22, give or take a week or two.

Therefore I'll be surprised if we see iOS 4.0.1 this week, but mad if we don't see it by the first week of August.
 
And 4.1 at iPod+iTunes event... 4.1.2 first week of October and 4.1.3 first week of February.
 
I tried to use similar logic to prove the date of the iOS4 event, and they still managed to be pretty late. They also have a whole lot of bugs to smash!
 
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