The specific operating system iteration on Apple’s iPhone 7 dictates its feature set, security protocols, and compatibility with applications. The device initially shipped with iOS 10, and subsequently received updates to later iOS versions, impacting its functionality and user experience. For example, a device running iOS 10 would lack features introduced in iOS 11, such as the redesigned Control Center or ARKit support.
Updating the operating system offers enhanced security, resolving vulnerabilities that could expose the device to threats. Furthermore, updated software often provides improved performance and stability, leading to a smoother user experience. Access to the latest app versions in the App Store is frequently contingent upon meeting minimum operating system requirements, thus extending the device’s usability over time. The iPhone 7 reached its final supported operating system with iOS 15. This marked the end of new feature releases for this particular hardware.