This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 29 February 2012 |
| File Name | iPad2,3_5.1_9B176_Restore.ipsw |
| File Size | 0.73 GB |
| SHA256sum | 635990e2b5ab4dd3e5aed88b48f6bb92496028ac44ed4155c73102f83ed07789 |
| MD5sum | f851f1aa3241e2ed7e607a09b012f745 |
| SHA1sum | 32bedf657dc7e996a75a86cfce47d4b50ddd3d93 |
| Identifier | iPad2,3 |
cd ~/Downloads.idevicerestore -e iPad2,3_5.1_9B176_Restore.ipsw and press Enter.