Apple iPhone and iPad owners can check their devices for the update now by opening the Settings app, tapping General, and then Software Update. If iOS 18.5 or iPadOS 18.5 is available, it’ll show up ...

What's New in iOS 9.3.5: iOS 9.3.5 provides an important security update for your iPhone or iPad and is recommended for all users.

Updated May 3 with more details of what will be in the update.