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 15.1.1 17 Nov 202119 days15 February 202272
iOS 14.8.1 and iPadOS 14.8.126 Oct 202141 days24 January 202250
iOS 15.1 and iPadOS 15.125 Oct 202142 days23 January 202249
iOS 15.0.2 and iPadOS 15.0.211 Oct 202156 days9 January 202235
iOS 15.0.1 and iPadOS 15.0.1
01 Oct 202166 days30 December 202125
iOS 12.5.523 Sep 202174 days22 December 202117
iOS 15 and iPadOS 1520 Sep 202177 days19 December 202114
iTunes U 3.8.315 Sep 202182 days14 December 20219
iOS 14.8 and iPadOS 14.813 Sep 202184 days12 December 20217
iOS 14.7.1 and iPadOS 14.7.126 Jul 2021133 days24 October 2021N/A
iOS 14.719 Jul 2021140 days17 October 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