iOS 12, the twelfth major release of Apple's mobile operating system, brought a slew of exciting features and improvements to iPhones and iPads when it was released in 2018. Designed to enhance performance, security, and user experience, iOS 12 was a significant update that catered to both old and new device users. In this comprehensive guide, we'll delve into the key features of iOS 12 and explore how they transformed the iOS ecosystem.