About iOS 13 Updates - Apple Support
support.apple.com › en-us › HT210393Dec 16, 2020 · About iOS 13 Updates. iOS 13 introduces a dramatic new look for iPhone with Dark Mode, new ways to browse and edit photos, and a private new way to sign in to apps and websites with just a tap. iOS 13 is faster and more responsive with optimizations across the system that improve app launch, reduce app download sizes and make Face ID even faster. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222.