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 | iPhone3,3_6.1.2_10B146_Restore.ipsw |
| File Size | 0.87 GB |
| SHA256sum | a430902308a55bd56af2b2b780d4a283258463dd93bee4919b874f5687f892ab |
| MD5sum | 35f587e5943e74fc1fb571a6d30eb003 |
| SHA1sum | 8e975c8028daf68ed2fe8e6af3d5e065486b013c |
| Identifier | iPhone3,3 |
cd ~/Downloads.idevicerestore -e iPhone3,3_6.1.2_10B146_Restore.ipsw and press Enter.