iOS 27: Here are all the compatible iPhone models

Apple announced iOS 27 today at WWDC 2026. The update focuses on upgrades to Siri, new Apple Intelligence features,

iOS 27 and iPadOS 27 don’t drop support for any iPhones—and just a few iPads

But many of the new features Apple mentioned require support for Apple Intelligence, which remains confined to newer devices with at least 8GB of RAM. Apple Intelligence still requires an iPhone 15 Pro or newer, an iPhone 16 or newer, or an iPhone Air. On the iPad, support requires an iPad Air or iPad Pro with an M1 or newer.
Macworld

iOS 27 Guide: All the new features coming to compatible iPhones, 2026 release date and more

OS 27 could bring major AI upgrades, smarter Siri, and big iOS performance and stability improvements. Here’s everything we’ve heard so far about the 2026 iOS update.

iOS 27’s most powerful on-device AI requires iPhone 17 Pro, iPhone Air

OS 27’s most powerful on-device AI model will be restricted to some of Apple’s newest products. Here are the details

Apple's Most Powerful On-Device AI Now Requires iPhone 17 Pro or iPhone Air

Apple's most advanced on-device AI model in iOS 27 requires a minimum of 12GB of unified memory, meaning the standard iPhone 17 is excluded. The next generation of Apple Intelligence introduces a new on-device model more powerful than anything Apple has shipped before.
Macworld

Apple left some major folding iPhone hints in the iOS 27 code

After digging through parts of the iOS 27 code following WWDC 2026, developer Sam Henri Gold discovered new internal references tied to device folding states. Macworld was able to independently confirm the findings, and some of these references are extremely difficult to explain away as anything other than foldable device support.