Apple iOS 9.3 review – Expertreviews
One of the best things about owning an Apple product is that you get free upgrades to the latest operating system for years to come. So, with iOS 9, which is available now, you can get it for products as old as the iPhone 4S and iPad 2; of course, it's available for the newer handsets, too. Not all features are available on all phones, although the bottom of Apple's iOS 9 page explains everything.
