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 17.5.1 and iPadOS 17.5.1 20 May 202411 days18 August 202480
iOS 17.5 and iPadOS 17.513 May 202418 days11 August 202473
iOS 16.7.8 and iPadOS 16.7.813 May 202418 days11 August 202473
iOS 17.4.1 and iPadOS 17.4.1
21 Mar 202471 days19 June 202420
iOS 16.7.7 and iPadOS 16.7.7
21 Mar 202471 days19 June 202420
iOS 17.4 and iPadOS 17.405 Mar 202487 days3 June 20244
iOS 16.7.6 and iPadOS 16.7.605 Mar 202487 days3 June 20244
iOS 15.8.2 and iPadOS 15.8.2 05 Mar 202487 days3 June 20244
iOS 17.3.1 and iPadOS 17.3.1 08 Feb 2024113 days8 May 2024N/A
iOS 17.3 and iPadOS 17.322 Jan 2024130 days21 April 2024N/A
iOS 16.7.5 and iPadOS 16.7.522 Jan 2024130 days21 April 2024N/A
iOS 15.8.1 and iPadOS 15.8.122 Jan 2024130 days21 April 2024N/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