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 | iPad2,1_9.2.1_13D15_Restore.ipsw |
| File Size | 1.30 GB |
| SHA256sum | bdf64833a9a870a2f02491ca5815909ba93fe889678dd4dc64c13c47e9515af9 |
| MD5sum | 2cfbef8ccf9d5d97bd5ed057f813d84c |
| SHA1sum | e7919edd6d19cb58de1a1cda4407d408c1dadd21 |
| Identifier | iPad2,1 |
cd ~/Downloads.idevicerestore -e iPad2,1_9.2.1_13D15_Restore.ipsw and press Enter.