Apple's iOS 18.3 update introduces automatic activation of Apple Intelligence, enhancing AI accessibility on eligible iPhones. Key features include new writing tools, Image Playground for custom image creation, a ChatGPT-powered Siri for improved interactions, and Visual Intelligence for contextual information from camera use. The update extends to iPads and Macs, promoting a cohesive experience across devices. Although currently limited in language support, broader availability is anticipated by April, marking a significant advancement in Apple's AI integration.