[iMore.com]

Last week Apple didn't just announce iOS 9, they announced that it would be coming day-and-date to every iPhone the company has shipped in the last four years.
That's worth repeating. iOS 9, the latest, greatest version of Apple's mobile operating system, is scheduled to ship this fall not just on whatever new iPhone 6s Apple announces at the same time, not just on the current iPhone 6 line, and not just on the iPhone 5s, iPhone 5c, and original iPhone 5, but also on the iPhone 4s that first launched in the fall of 2011. And it's all going to happen on the same day, on every carrier, for every customer, around the world.

That's an enormous amount of added value enjoyed by iPhone owners and not only is it unmatched by Android or any other platform, it's unmatchable. It's also one of the very best reasons to switch to iPhone

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