Apple’s latest iOS 8 update will be available on September 17th for existing iPhones and iPads. The overarching theme is a bond between OS X and iOS 8 thanks to a new Continuity feature that lets you share files, phone calls, and SMS messages between Macs and iPhones. Apple is also two new HealthKit and Family Sharing features. Apple has also improved notifications in iOS 8, allowing you to action them directly from the lock screen.