2 How to Download iOS 12
iOS 12, like all updates to Apple’s mobile operating system, is available as a free over-the-air update for all compatible devices. You can find the new update by going to..
- Software Update.If your device is compatible, you should see the update in this pane. (You will, of course, need an internet connection.)
Alternatively, you can update your iOS device by plugging it into a PC or Mac with iTunes installed. Just select your device, go to the Summary pane, and click on Check for Update.