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 | 705 MiB | 14713174c293910e944a7f5e8e81d256676ecd4d.zip |
| ✓ | iOS 8.4.2 (12H606) | December 12, 2016 | 703 MiB | 71627491050f5cc5c3e40228293c63c95b19ac4b.zip |
| ✗ | iOS 8.4.4 (12H937) | September 20, 2021 | 705 MiB | 1a1936839fdf577c48d20ec37c21ab9ad1c5dafa.zip |
| ✗ | iOS 8.4.4 (12H923) | April 26, 2021 | 705 MiB | f27975b3f5e93827f28e1e9c8292a83678b668f5.zip |
| ✗ | iOS 8.4.4 (12H914) | December 14, 2020 | 704 MiB | 7f0976c85698c9ff5aa712b01bf8fc90e9d953ae.zip |
| ✗ | iOS 8.4.4 (12H911) | November 5, 2020 | 705 MiB | 636822834300d3badbd73a626d33d4de28006b8e.zip |
| ✗ | iOS 8.4.4 (12H903) | September 16, 2020 | 704 MiB | b58e3efe8c1974223a23b75da0ea15efb948d92e.zip |
| ✗ | iOS 8.4.4 (12H885) | March 24, 2020 | 705 MiB | 50ccb5d94a043b90f399e38e05e9910d0c9a7248.zip |
| ✗ | iOS 8.4.3 (12H876) | September 24, 2019 | 705 MiB | a2cb2aa830e5247a2d60171f71511e8b4a659a1f.zip |
| ✗ | iOS 8.4.2 (12H864) | July 22, 2019 | 705 MiB | 47c6fd4ce5f1d77f8457c0399a2b6bf2f49a7556.zip |
| ✗ | iOS 8.4.2 (12H847) | May 13, 2019 | 705 MiB | 8c6615c410e08f6f405ed35931ba2ac492f84d13.zip |
| ✗ | iOS 8.4.1 (12H523) | February 25, 2016 | 703 MiB | 4ef3b18d35a9fec632da1e35546e283909bee465.zip |
| ✗ | iOS 8.3 (12F69) | October 4, 2015 | 698 MiB | 2d2da26f5b2aaa48243c07d4ca5e026cc2c1f13e.zip |