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

beta profile ios 15In 2025 the first public beta of iOS 18 arrived on July 15, while in 2025 the first public beta of iOS 17 arrived on July 12. ... it was necessary to download and activate a beta profile on yourSning up to get the iOS and iPadOS 15 beta is super easy, and can be done by enrolling an iPhone or iPad in Apple's free Apple Beta Software Program.