Note that you can update straight to iOS 12 from an older iOS version - you don't need to install iOS 11 first. Unfortunately, for a few older devices, iOS 12 is the end of the line, so read on if you have one of these that's still running an older version of iOS.

Make sure your older device is compatible with iOS 12

Since we naturally recommend updating to the latest version of iOS that's available for your device to get all of the newest features and security fixes, you'll want to check out our guide on how to download iOS 15 if you're using any of the following devices, all of which are compatible with iOS 15:Īfter iOS 12, Apple also split off its iPad operating system into a new branch, calling it iPadOS, so be sure to check out our corresponding guide on how to download iPadOS 15 if you're using one of the following iPad models: Most of the devices that are capable of running iOS 12 can go well beyond that version - all the way to iOS 15, in fact.

Check to see if your device supports a newer version of iOS In fact, as of this writing, Apple has released a total of five iOS 12 security updates in 2021 alone, the latest of which was 12.5.5, arriving alongside the release of iOS 15 in September.

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