The fourth developer beta of iOS 18.1 is now available for every device that can run iOS 18. Here's what you need to know about the update and the features it introduces.The fourth developer beta of iOS 18.1 adds context-based suggestions for SiriOn Tuesday, Apple released a new developer beta of iOS 18.1 for all devices capable of running iOS 18. Previously, beta versions of iOS 18.1 were intended for the testing of Apple Intelligence and its associated features, meaning that the software was only available for iPhone 15 Pro and iPhone 15 Pro Max.The newly released, fourth developer beta of iOS 18.1 is compatible with every iPhone that can run iOS 18.0, including the iPhone XS and iPhone XR, and it introduces some new features compatible with these devices. Continue Reading on AppleInsider | Discuss on our Forums