This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 20 September 2021 |
| Upload Date | 17 September 2021 |
| File Name | iPhone12,8_15.0_19A346_Restore.ipsw |
| File Size | 5.74 GB |
| SHA256sum | 1c6caeffc77e575caaef0de9648129d442faed0870e924846239f2b06d837945 |
| MD5sum | 95e7861f5cfc77cf6f324ed626fbdc5c |
| SHA1sum | 1ed62d00f19b87a6bd0f65c362302b330be393ed |
| Identifier | iPhone12,8 |
cd ~/Downloads.idevicerestore -e iPhone12,8_15.0_19A346_Restore.ipsw and press Enter.