This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 16 February 2013 |
| File Name | iPhone3,1_6.1.2_10B146_Restore.ipsw |
| File Size | 0.87 GB |
| SHA256sum | fb327df2b74b7b8d1063de4d88dc91bbdfaa66dd8c06f01b1931903014588ffd |
| MD5sum | 65c85f58df8bb68b00aebdc46081248c |
| SHA1sum | b62c043338898893c210bb81e608b4b099de7c5f |
| Identifier | iPhone3,1 |
cd ~/Downloads.idevicerestore -e iPhone3,1_6.1.2_10B146_Restore.ipsw and press Enter.