Last Wednesday during Apple’s Hey Siri event the company announced that there next generation mobile operating system, iOS 9 would be landing on September 16th! And the downloads are live and you can upgrade to the latest and great for your iOS device. iOS 9 brings with it several new features, as well as some major performance and battery boosts. You can upgrade to iOS 9 via an over-the-air update or by downloading it through iTunes on your computer.
iOS 9 will also free up some storage on your device, and the download size of the update depends on what device you are upgrading.