Apple today released iOS 10.1.1, the third official update to the iOS 10 operating system, one week after releasing iOS 10.1 with Portrait Mode and just over six weeks after providing the new iOS 10 operating system to the public.Today's update fixes bugs including an issue where Health data could not be viewed for some users. iOS 10.1.1 can be downloaded as a free over-the-air update on all iPhone, iPad, and iPod touch models compatible with iOS 10.iOS 10 is a major update that includes features like a redesigned Lock screen experience, a revamped Messages app with a full App Store, a Siri SDK for developers, new looks and features for Maps and Apple Music, and tons more. Make sure to check out our iOS 10 roundup for details.Apple has subsequently stopped signing iOS 10.0.2 and iOS 10.0.3, meaning that users can no longer downgrade to those software versions.