This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 30 October 2018 |
| Upload Date | 20 October 2018 |
| File Name | iPhone_4.7_12.1_16B92_Restore.ipsw |
| File Size | 2.90 GB |
| SHA256sum | d5c62ad6d3fd24635639809642a9d4557516e2e337191078c9cbb33161c18dcc |
| MD5sum | 66f0e78ec7223fa69ec1f69afcceed40 |
| SHA1sum | 62f229880b5f655f051efdfa50716243be44cfeb |
| Identifier | iPhone8,1 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_12.1_16B92_Restore.ipsw and press Enter.