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 13.3 (17K6449) | December 10, 2019 | 1.9 GiB | 9785aec8459a690a1befcd9b786884e48afe9af0.zip |
| ✗ | Apple TV 4K | tvOS 13.3 (17K449) | December 10, 2019 | 1.9 GiB | 9785aec8459a690a1befcd9b786884e48afe9af0.zip |
| ✗ | Apple TV 4K | tvOS 13.3 (17K5449a) | December 5, 2019 | 1.9 GiB | 4152c90c440597f8f633392d8ad15bf9d4495cb9.zip |
| ✗ | Apple TV 4K | tvOS 13.3 (17K5445a) | November 20, 2019 | 1.9 GiB | 4b73237dc64cc74a5f2fabc51b1cb152bed1a4dc.zip |
| ✗ | Apple TV 4K | tvOS 13.3 (17K5440a) | November 12, 2019 | 1.9 GiB | 50eeddafeefde4e9885ff5fc832e89a7760c60b0.zip |
| ✗ | Apple TV 4K | tvOS 13.3 (17K5433c) | November 5, 2019 | 1.9 GiB | e6b3fbc3b22c46a8c234f86ec74fcacb92700992.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K6449) | December 10, 2019 | 1.6 GiB | 8a3cea4b57f0f38066ff49941bc987e9c37b74f7.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K449) | December 10, 2019 | 1.6 GiB | 8a3cea4b57f0f38066ff49941bc987e9c37b74f7.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K5449a) | December 5, 2019 | 1.6 GiB | 803f918c00b25adc7da36ba49c20379bd4d0684b.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K5445a) | November 20, 2019 | 1.6 GiB | 87ac418ab8ea649f2547075e0d6f2c017079b11f.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K5440a) | November 12, 2019 | 1.6 GiB | 4bcd39bb91a27e2f9df868ddbf5dd5950ba62e78.zip |
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K5433c) | November 5, 2019 | 1.6 GiB | c758e34536b816a95bfc5c19c412995e4815403d.zip |