https://techcrunch.com/2021/09/20/ios-15-is-now-available-to-download/ > Apple has just released the final version of iOS 15, the next major version of the operating system for the iPhone. It is a free download and it works with the iPhone 6s or later, both generations of iPhone SE and the most recent iPod touch model. iPad users will also be able to update to iPadOS 15 and watchOS 8 today. > The biggest change of iOS 15 is a new Focus mode. In addition to “Do not disturb,” you can configure various modes — you can choose apps and people you want notifications from and change your focus depending on what you’re doing. For instance, you can create a Work mode, a Sleep mode, a Workout mode, etc.