This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 18 November 2019 |
| Upload Date | 14 November 2019 |
| File Name | iPhone_4.7_13.2.3_17B111_Restore.ipsw |
| File Size | 3.45 GB |
| SHA256sum | ad8a97d82a7f73c35bf3e0a24b72f64f6b6221da7d56ef620a5795cd51819524 |
| MD5sum | ff3e978ff2f118b6cf0898305cdc162d |
| SHA1sum | f05fd0f8d4d51d685e0361fd60b52bdf2d083b1e |
| Identifier | iPhone8,1 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_13.2.3_17B111_Restore.ipsw and press Enter.