How to switch from the iOS 10 public beta to the iOS 11 public beta

The iOS 11 public beta is now available, but how do you switch to it from the current iOS 10 public beta? Like this!Apple occasionally offers updates to iOS, watchOS, tvOS, and macOS as closed developer previews or public betas for iPhone, iPad, Apple TV and Mac (sadly, no public beta for the Apple Watch). While the betas contain new features, they also contain pre-release bugs that can prevent the normal use of your iPhone, iPad, Apple Watch, Apple TV, or Mac, and are not intended for everyday use on a primary device

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How to switch from the iOS 10 public beta to the iOS 11 public beta