Unlike last year, several iPhone models won't be eligible to download the newest iOS when it makes its debut this fall. This trio of models first released in 2018 won't be coming to the iOS 26 party:

Apple has opened the gates for curious iPhone users to take iOS 26 for a spin before its official debut. The public beta is now available through the company’s Beta Software Program, bringing fresh features,

Apple has officially launched the Public Beta versions of iOS 26 for iPhone and iPadOS 26 for iPad. These public betas give everyday users early access to the latest features Apple is working on,