This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 10 December 2019 |
| Upload Date | 02 December 2019 |
| File Name | AppleTV5,3_13.3_17K449_Restore.ipsw |
| File Size | 2.10 GB |
| SHA256sum | 7fd3bbcdde752a855b26d26c969ea592fc387d18434c6477790844392a494214 |
| MD5sum | b720bed8f50bd4db3efe13f5003b9e29 |
| SHA1sum | 4f8737a8f24e8c05d767a6b0ab04c8ed3adf8cbf |
| Identifier | AppleTV5,3 |
cd ~/Downloads.idevicerestore -e AppleTV5,3_13.3_17K449_Restore.ipsw and press Enter.