Apple today released a Rapid Security Response update available to those running the iOS 16.4 beta, marking the launch of the third RSR update since the feature was introduced in iOS 16.


The Rapid Security Response update is designed to provide iOS 16.4 beta users with bug fixes without the need to install a full update, and it is likely a test update given the small file size.

iOS Security Response 16.4(a) is available through the standard software update mechanism in the Settings app, but it’s a quick update, requiring only a few minutes to download the update and then a quick restart of the installation process.

After the Rapid Security Response update is installed, iOS 16.4 users will see an updated version of iOS 16.4(a), and tapping on the version in the About section of Settings, information about the installed iOS version and Rapid Security Response update will be displayed. Those wishing to opt out of Rapid Security Response updates can do so by following our procedure.

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