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 4 (2015) | tvOS 12.1.2 (16K6534) | January 22, 2019 | 1.4 GiB | 726a1fde388832e23d5602065fa32013c6fa82ae.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.1.2 (16K534) | January 22, 2019 | 1.4 GiB | 726a1fde388832e23d5602065fa32013c6fa82ae.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.1.2 (16K5534a) | January 7, 2019 | 1.4 GiB | d43467292414038897184d6bce019531375c5c55.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.1.2 (16K5532a) | December 19, 2018 | 1.4 GiB | 49cd68170c9fcf80b2c7d8a6192474b78aa91663.zip |
| ✗ | Apple TV 4 (2015) | tvOS 12.1.2 (16K5524a) | December 10, 2018 | 1.4 GiB | aaf3bc752d4d8af69870719d0c9275b69d888b03.zip |
| ✗ | Apple TV 4K | tvOS 12.1.2 (16K6534) | January 22, 2019 | 1.6 GiB | 2d64d0e731916eba3b035473085e22796ea89694.zip |
| ✗ | Apple TV 4K | tvOS 12.1.2 (16K534) | January 22, 2019 | 1.6 GiB | 2d64d0e731916eba3b035473085e22796ea89694.zip |
| ✗ | Apple TV 4K | tvOS 12.1.2 (16K5534a) | January 7, 2019 | 1.6 GiB | 52caad77fe8e83bef8e0767ed4beee52f8a43544.zip |
| ✗ | Apple TV 4K | tvOS 12.1.2 (16K5532a) | December 19, 2018 | 1.6 GiB | 291de2f71f79725d26042b32e42098637f0665cc.zip |
| ✗ | Apple TV 4K | tvOS 12.1.2 (16K5524a) | December 10, 2018 | 1.6 GiB | 961a6f515d2aa2fa732eb30f2da4691ea97d8d60.zip |