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 17.5.1 and iPadOS 17.5.1 | 20 May 2024 | 69 days | 18 August 2024 | 22 |
| iOS 17.5 and iPadOS 17.5 | 13 May 2024 | 76 days | 11 August 2024 | 15 |
| iOS 16.7.8 and iPadOS 16.7.8 | 13 May 2024 | 76 days | 11 August 2024 | 15 |
| iOS 17.4.1 and iPadOS 17.4.1 | 21 Mar 2024 | 129 days | 19 June 2024 | N/A |
| iOS 16.7.7 and iPadOS 16.7.7 | 21 Mar 2024 | 129 days | 19 June 2024 | N/A |
| iOS 17.4 and iPadOS 17.4 | 05 Mar 2024 | 145 days | 3 June 2024 | N/A |
| iOS 16.7.6 and iPadOS 16.7.6 | 05 Mar 2024 | 145 days | 3 June 2024 | N/A |
| iOS 15.8.2 and iPadOS 15.8.2 | 05 Mar 2024 | 145 days | 3 June 2024 | N/A |
* If deploying a deferral today, this is the maximim days that the version can be blocked for.