Murtazin made the following tweet earlier today.
Just one comment. Apple iPhone 3Gs wont be upgradable to iOS 5.x. iPhone 4 will.
The source of Murtazin's statement is unclear; however, considering that iOS 5.x is supposed to be a large update it makes sense for Apple to try and avoid the same problems it had with the iPhone 3G on iOS 4.x.
It also seems to suggest that iOS 5.x would a launch alongside a new device; otherwise, Apple would be left with only one device on its latest operating system.
Read More [via MacStories]