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 | iPhone12,1_13.2.3_17B111_Restore.ipsw |
| File Size | 3.86 GB |
| SHA256sum | 104b38046e06f778965e5904540670c5f31ef11cc6c1126586cb06f508805cfa |
| MD5sum | f3f652b91d63321f70c7e89d3e8e9955 |
| SHA1sum | fb4dade1ac416bb2563c71bbc15cf4a1e1bf2661 |
| Identifier | iPhone12,1 |
cd ~/Downloads.idevicerestore -e iPhone12,1_13.2.3_17B111_Restore.ipsw and press Enter.