While older compatible models will still run most Apple Intelligence features, iOS 27's most advanced on-device AI requires the 12 GB RAM found only in the iPhone 17 Pro and iPhone Air.

Apple’s iOS 27 update focuses on faster performance, Siri AI, Liquid Glass controls, expanded Apple Intelligence, and new family safety tools.

Apple on Monday unveiled its next-generation mobile operating system, iOS 27 for iPhones, with developer and public beta releases

Apple's upcoming iPhone operating system, iOS 27, promises to bring a host of new features and improvements to iPhones new and old. It's Apple's biggest software update of the year, and the company is expected to preview it at WWDC on Monday,

Where Liquid Glass delivered a new look for the iPhone, iOS 27 has the chance to deliver a fluid layer that flows exactly where and when we need it.

Developers found iOS 27 beta references to fold states and multiple displays, fueling speculation that Apple is preparing for a foldable iPhone.