As you probably know already, manually going to the software update section on your iPhone triggers a manual check for updates, in which case the device is automatically provided with the latest iOS version, if a newer version is obviously available.
In other words, if you manually check for updates, you can get the latest version of the operating system without waiting. On the other hand, if you don’t care about software updates and don’t manually check for updates, it takes up to 4 weeks for an iPhone to notify you about a new version of iOS.
The phased rollout
In case you’re wondering why the device needs so much time to let you know an update is available, Craig Federighi, Apple’s senior VP of software engineering, has the answer. In a mailed response offered to a <a href="https://www.reddit.com/r/… (read more)
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