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 11.2.6 (15K6600) | February 19, 2018 | 1.3 GiB | f31e7f30bfb0c2d6518e46debc31e822bc87ef8d.zip | Download |
| ✗ | Apple TV 4K | tvOS 11.2.6 (15K600) | February 19, 2018 | 1.3 GiB | f31e7f30bfb0c2d6518e46debc31e822bc87ef8d.zip | Download |
| ✗ | Apple TV 4 (2015) | tvOS 11.2.6 (15K6600) | February 19, 2018 | 1.1 GiB | bbb2785b33d763bbe8ba262d3021f166bf7c4505.zip | Download |
| ✗ | Apple TV 4 (2015) | tvOS 11.2.6 (15K600) | February 19, 2018 | 1.1 GiB | bbb2785b33d763bbe8ba262d3021f166bf7c4505.zip | Download |