iOS Deferral Calculator

Apple allows iOS updates to be deferred by up to 90 days from release.

Anything in red can no longer be deferred.

VersionRelease DateDays Since ReleaseDeferral Limit DateMax Profile Days*
iOS 15.6.1 and iPadOS 15.6.117 Aug 20222 days15 November 202289
iOS 15.6 and iPadOS 15.620 Jul 202230 days18 October 202261
iOS 15.5 and iPadOS 15.516 May 202295 days14 August 2022N/A
iOS 15.4.1 and iPadOS 15.4.131 Mar 2022141 days29 June 2022N/A

* If deploying a deferral today, this is the maximim days that the version can be blocked for.

Useful Links

Managing software updates for Apple devices

VMware Tech Zone Operatonal Tutorial - Managing iOS Updates