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 | iPad4,7_9.2.1_13D15_Restore.ipsw |
| File Size | 1.81 GB |
| SHA256sum | ab8529beea29d37c58c084330e920f7bf68958e279557a8a65b84948fe3d3be9 |
| MD5sum | f828668123bafd04a7a14f3fca7accce |
| SHA1sum | 68bd5a6d7739c4dba9979877ef12d6d77c3dd62f |
| Identifier | iPad4,7 |
cd ~/Downloads.idevicerestore -e iPad4,7_9.2.1_13D15_Restore.ipsw and press Enter.