This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 19 January 2016 |
| Upload Date | 12 January 2016 |
| File Name | iPad2,2_9.2.1_13D15_Restore.ipsw |
| File Size | 1.31 GB |
| SHA256sum | 942b8fe282056b553e236d32936b434dfb6befe4fcbc76beef1f4f085ff1b701 |
| MD5sum | e8f41a8e27775a9daf49a7333c42cf89 |
| SHA1sum | 6387480f959fdc2d44b03360a1f8b93d208c12fe |
| Identifier | iPad2,2 |
cd ~/Downloads.idevicerestore -e iPad2,2_9.2.1_13D15_Restore.ipsw and press Enter.