This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 08 February 2013 |
| File Name | iPhone4,1_6.1.1_10B145_Restore.ipsw |
| File Size | 0.90 GB |
| SHA256sum | 750b7a7b4b8748950a0c6a91023408aecdad7950458e52c1847b7a2ec830ac52 |
| MD5sum | fb0a44de96c693c944a15e3f6a60c5fa |
| SHA1sum | 5f80fa7db28bd372099f0dec706c05e92c834281 |
| Identifier | iPhone4,1 |
cd ~/Downloads.idevicerestore -e iPhone4,1_6.1.1_10B145_Restore.ipsw and press Enter.