Exactly twelve months in the past, iOS four was once made on hand. In accordance Apprupt advertising , which sells banners on the iPhone is already 95.59 percent of iPhone users switched. Another 4.22 percent of iPhone owners to stick to iOS 3 and iOS was 0.17 percent two good enough.
On June 21, 2010 was available iOS 4. Users of IOS will be for 3 because people who have a first generation iPhone. And what the small group of people with iOS 2 looks likely to do little more with their phone than iPhone. Incidentally, all statistics showed earlier that six months after iOS 4 hit the market, almost 90 percent of users had switched iOS.