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.
| Version | Release Date | Days Since Release | Deferral Limit Date | Max Profile Days* |
|---|---|---|---|---|
| iOS 15 and iPadOS 15 | 20 Sep 2021 | 3 days | 19 December 2021 | 88 |
| iTunes U 3.8.3 | 15 Sep 2021 | 8 days | 14 December 2021 | 83 |
| iOS 14.8 and iPadOS 14.8 | 13 Sep 2021 | 10 days | 12 December 2021 | 81 |
| iOS 14.7.1 and iPadOS 14.7.1 | 26 Jul 2021 | 59 days | 24 October 2021 | 32 |
| iOS 14.7 | 19 Jul 2021 | 66 days | 17 October 2021 | 25 |
| iOS 12.5.4 | 14 Jun 2021 | 101 days | 12 September 2021 | N/A |
| iOS 14.6 and iPadOS 14.6 | 24 May 2021 | 122 days | 22 August 2021 | N/A |
| iOS 14.5.1 and iPadOS 14.5.1 | 3 May 2021 | 143 days | 1 August 2021 | N/A |
| iOS 12.5.3 | 3 May 2021 | 143 days | 1 August 2021 | N/A |
| iOS 14.5 and iPadOS 14.5 | 26 Apr 2021 | 150 days | 25 July 2021 | N/A |
* If deploying a deferral today, this is the maximim days that the version can be blocked for.