OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✓ | iOS 8.4.4 (12H1006) | March 14, 2022 | 704 MiB | 57c978075341aeae918c8eacebb0423ad21423e1.zip |
| ✓ | iOS 8.4.2 (12H606) | December 12, 2016 | 702 MiB | adbf15c5d29da9207bf5262167b1cad1158e0bfd.zip |
| ✗ | iOS 8.4.4 (12H937) | September 20, 2021 | 704 MiB | 59a17ff00e0d68dc4d14ff3119103bf664bf3456.zip |
| ✗ | iOS 8.4.4 (12H923) | April 26, 2021 | 704 MiB | 4df42ef8022bda37036da34d84a6f2c09c2d0b93.zip |
| ✗ | iOS 8.4.4 (12H914) | December 14, 2020 | 704 MiB | 3cb13fbbc74af65f5f61e3427ec96cfc5ca3bd02.zip |
| ✗ | iOS 8.4.4 (12H911) | November 5, 2020 | 704 MiB | 2f549e82918c9767040df0309e3d869657c1c397.zip |
| ✗ | iOS 8.4.4 (12H903) | September 16, 2020 | 704 MiB | f9b282ff5e9530ffe5f97d0f53e447a7c6897137.zip |
| ✗ | iOS 8.4.4 (12H885) | March 24, 2020 | 705 MiB | 22195c922fb8ca95680859567597be89f472794b.zip |
| ✗ | iOS 8.4.3 (12H876) | September 24, 2019 | 705 MiB | df9a36911607ae026ced96679710f32b7836d7a9.zip |
| ✗ | iOS 8.4.2 (12H864) | July 22, 2019 | 705 MiB | 3a97e175c3135d07c5da41417c6a8652c6c938e0.zip |
| ✗ | iOS 8.4.2 (12H847) | May 13, 2019 | 705 MiB | f13709fd3602051701d35221d7fbc764a0ab00a5.zip |
| ✗ | iOS 8.4.1 (12H523) | February 25, 2016 | 702 MiB | 922ed0d9e23b0b238acb3a3c1ae38121472943d3.zip |
| ✗ | iOS 8.3 (12F69) | October 4, 2015 | 698 MiB | 8aa3c83f19c4167306ccd9b0fee09eae251f1817.zip |