The iPhone 13 Pro Max runs on iOS 15, the latest operating system from Apple. iOS 15 brings a host of new features and enhancements to the iPhone experience. It introduces redesigned notifications, allowing you to prioritize and manage your notifications more effectively. The Focus mode lets you customize your device's settings based on your current activity or location, reducing distractions and improving productivity. FaceTime gets an upgrade with spatial audio, portrait mode, and the ability to share content during calls. The Photos app now offers a new Memories feature, which intelligently curates your photos and videos into personalized collections. With iOS 15, the iPhone 13 Pro Max delivers a seamless and intuitive user experience.