|ios 15 release date september 2021||1.05||0.6||1393||76|
The latest major versions of Apple's mobile operating systems are iOS 14 and iPadOS 14, which Apple released on September 16, 2020. Apple releases new major versions of iOS and iPadOS roughly once every twelve months.Should I update to iOS 15.1?
Apple iOS 15.1 has been released for all iOS 14-compatible devices, aka the iPhone 6S and newer. You should be automatically notified to upgrade but, if not, the update can be triggered manually by navigating to Settings > General > Software Update.