Apple has released the final iOS 18.1 public beta, bringing Apple Intelligence features to iPhone users. The update includes a revamped Siri, writing tools, prioritized email notifications, and more. To download the public beta, sign up for the Apple Beta Software Program website and follow the prompts. Once enrolled, go to Settings > General > Software Update > Beta Updates to install the iOS 18.1 public beta.

Source: https://www.cnet.com/tech/services-and-software/apple-releases-final-ios-18-1-public-beta-with-apple-intelligence-how-to-download-it/#ftag=CAD590a51e