Apple today released iOS 18 and iPadOS 18, the new operating system updates for the iPhone and iPad. As with all of Apple’s software updates, iOS 18 and iPadOS 18 are available for free.
Apple’s new software can be downloaded on eligible iPhones and iPads over-the-air by going to Settings > General > Software Update. Note that it can take a few minutes for the updates to propagate to all users due to high demand.
If you have iOS 17, you can download iOS 18. It is available on the iPhone XR, iPhone XS, iPhone SE 2, and newer. As for the iPad, iPadOS 18 runs on the third-generation 12.9-inch iPad Pro and later, all 11-inch iPad Pro models, the third-generation iPad Air and later, the seventh-generation iPad and later, and the fifth-generation iPad mini and later. Apple has also released an iOS 17.7 update for those still running iOS 17.
Read more at MacRumors.com