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 15.0.2 and iPadOS 15.0.211 Oct 202112 days9 January 202279
iOS 15.0.1 and iPadOS 15.0.1 01 Oct 202122 days30 December 202169
iOS 12.5.523 Sep 202130 days22 December 202161
iOS 15 and iPadOS 1520 Sep 202133 days19 December 202158
iTunes U 3.8.315 Sep 202138 days14 December 202153
iOS 14.8 and iPadOS 14.813 Sep 202140 days12 December 202151
iOS 14.7.1 and iPadOS 14.7.126 Jul 202189 days24 October 20212
iOS 14.719 Jul 202196 days17 October 2021N/A
iOS 12.5.414 Jun 2021131 days12 September 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