The duration of an iOS update, specifically version 18.4 in this hypothetical scenario, is the period required for the software to download, install, and configure itself on a compatible Apple device, such as an iPhone or iPad. For example, if a user initiates the update process and the device is fully functional with the new software 45 minutes later, the update duration is 45 minutes.
Understanding the typical timeframe for an iOS update is beneficial for managing user expectations and minimizing disruption. It allows individuals to plan appropriately and avoid initiating updates when device usage is critical. Historically, the time required for these updates has varied depending on factors such as the size of the update, network speed, and device processing capabilities.