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 15.2.1 and iPadOS 15.2.112 Jan 20227 days12 April 202284
iOS 15.2 and iPadOS 15.213 Dec 202137 days13 March 202254
iOS 15.1.1 17 Nov 202163 days15 February 202228
iOS 14.8.1 and iPadOS 14.8.126 Oct 202185 days24 January 20226
iOS 15.1 and iPadOS 15.125 Oct 202186 days23 January 20225
iOS 15.0.2 and iPadOS 15.0.211 Oct 2021100 days9 January 2022N/A
iOS 15.0.1 and iPadOS 15.0.1
01 Oct 2021110 days30 December 2021N/A
iOS 12.5.523 Sep 2021118 days22 December 2021N/A
iOS 15 and iPadOS 1520 Sep 2021121 days19 December 2021N/A
iTunes U 3.8.315 Sep 2021126 days14 December 2021N/A
iOS 14.8 and iPadOS 14.813 Sep 2021128 days12 December 2021N/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