OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✗ | Apple TV 4K | tvOS 12.0 (16J5340e) | August 6, 2018 | 1.6 GiB | 2e47cb5ff8ce48fabf7019993448315ffc85674d.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5355a) | August 20, 2018 | 1.6 GiB | 17798fecadfb54bb0d65def6ea5f2310d404992a.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5283n) | June 5, 2018 | 1.6 GiB | 2955e2359db4393b23457754602116b461f6f89d.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5303e) | June 19, 2018 | 1.6 GiB | 74b5c74f07c15f205b2611834febe64e621fe1f2.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5313d) | July 3, 2018 | 1.6 GiB | a6fa0beb62428c2c69f8c08cfeab776bce6cc82e.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5322d) | July 17, 2018 | 1.6 GiB | c41695041a48be9a957140c4b0d95aa4749d9d66.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5334e) | July 30, 2018 | 1.6 GiB | 8fe381f9e30a132a367d4dc80a63614dae349f28.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5349a) | August 13, 2018 | 1.6 GiB | ea17add0caaefed9d99ec4680c75f00ee3da5ede.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J6364) | September 12, 2018 | 1.6 GiB | d8febed161826cfdcc477dbe88b8d570d639cb75.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5360a) | August 27, 2018 | 1.6 GiB | dc559c70daa2718c41a3a38cff2ece4e20716a4c.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J5364a) | August 31, 2018 | 1.6 GiB | 22cd86796ebc562a6d73144a713ff62c865a5e40.zip |
| ✗ | Apple TV 4K | tvOS 12.0 (16J364) | September 12, 2018 | 1.6 GiB | d8febed161826cfdcc477dbe88b8d570d639cb75.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5283n) | June 5, 2018 | 1.5 GiB | afeed0fc88e310de29e0b14ac2e8ee5c1234517e.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5340e) | August 6, 2018 | 1.4 GiB | 5dc9daebf4ef56acd8bb915532f881a6258eb8c1.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J364) | September 12, 2018 | 1.4 GiB | 0631448b1e10a31be4aabea180d90da332f2bcaf.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5313d) | July 3, 2018 | 1.4 GiB | 4523c2642ad896aaffcfcb8a924c9606ac083379.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5322d) | July 17, 2018 | 1.4 GiB | e257cf78face74684c539e61c007297faf993006.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5334e) | July 30, 2018 | 1.4 GiB | 31df82c7a25c4e42e985a39b0eaa400573def799.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J6364) | September 12, 2018 | 1.4 GiB | 0631448b1e10a31be4aabea180d90da332f2bcaf.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5303e) | June 19, 2018 | 1.5 GiB | 7af1413935b7714955eed8b745e1839b3a2ca5c1.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5349a) | August 13, 2018 | 1.4 GiB | 28788f8368eca7239957d438472fc53da77b8fa1.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5355a) | August 20, 2018 | 1.4 GiB | f8aed11be8b5cb5260c8f508d2e9d55f3ba6491d.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5360a) | August 27, 2018 | 1.4 GiB | 97e6c7f2cefca6d21cf0e54c81ff844a75069ab1.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.0 (16J5364a) | August 31, 2018 | 1.4 GiB | d721c7a36819fba4f361f9a6b5fcd7a3d68d489e.zip |