Enter the Passcode on your iPhone if promptedĪs you can see, the process for getting iOS 16.3.1 on your iPhone is very easy and straightforward.Click on Check for Update in the Summary pane.Under Finder, click on the device icon at the top left to go to the device tab.Plug your iPhone in using your USB to Lightning.Simply connect your iPhone via USB and head to Finder on MacOS Catalina and newer.
If you have limited space on your device or Software Update isn't working for whatever reason, you can update using your Mac. How to install the iOS update using your Mac