The specific operating system release on an iPhone or iPad identifies its capabilities and features. For example, a device running iOS 16 may offer features such as a customizable lock screen and improved Focus filters, while a device limited to iOS 14 will lack these functionalities.
Knowing the specific iteration of the mobile operating system is crucial for ensuring application compatibility, receiving security updates, and accessing the latest enhancements. Historically, upgrades have introduced significant improvements in performance, security, and user experience, impacting the device’s longevity and utility.