How to install iOS 11 public beta

Описание: Apple Beta Software Program
Help make the next releases of iOS, macOS, and tvOS our best yet. As a member of the Apple Beta Software Program, you can take part in shaping Apple software by test-driving pre-release versions and letting us know what you think. you’ll be able to enroll your devices to access the public betas and try out the latest features. You can provide feedback directly to Apple using the Feedback Assistant app.