How can I install iOS 15 and above as a beta profile on iPhone 6?

beta profile ios 15Download latest beta profiles for iOS 18.5, iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, watchOS 11.5 and tvOS 18.5 without beta profile.Apple’s iOS 15 and iPadOS 15 are launching officially on September 20th, 2021, but you can test them in the public beta rht now if you’re willing to risk encountering possible