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 202429 days18 August 202462
iOS 17.5 and iPadOS 17.513 May 202436 days11 August 202455
iOS 16.7.8 and iPadOS 16.7.813 May 202436 days11 August 202455
iOS 17.4.1 and iPadOS 17.4.1
21 Mar 202489 days19 June 20242
iOS 16.7.7 and iPadOS 16.7.7
21 Mar 202489 days19 June 20242
iOS 17.4 and iPadOS 17.405 Mar 2024105 days3 June 2024N/A
iOS 16.7.6 and iPadOS 16.7.605 Mar 2024105 days3 June 2024N/A
iOS 15.8.2 and iPadOS 15.8.2 05 Mar 2024105 days3 June 2024N/A
iOS 17.3.1 and iPadOS 17.3.1 08 Feb 2024131 days8 May 2024N/A
iOS 17.3 and iPadOS 17.322 Jan 2024148 days21 April 2024N/A
iOS 16.7.5 and iPadOS 16.7.522 Jan 2024148 days21 April 2024N/A
iOS 15.8.1 and iPadOS 15.8.122 Jan 2024148 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