This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 22 January 2019 |
| Upload Date | 11 January 2019 |
| File Name | iPad_64bit_TouchID_12.1.3_16D39_Restore.ipsw |
| File Size | 2.79 GB |
| SHA256sum | |
| MD5sum | aadaac87faa60b13672da22e964768ea |
| SHA1sum | 07133baf3be1e29494e689b21446ca67efd95707 |
| Identifier | iPad4,8 |
cd ~/Downloads.idevicerestore -e iPad_64bit_TouchID_12.1.3_16D39_Restore.ipsw and press Enter.