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 | iPad4,3_9.2.1_13D15_Restore.ipsw |
| File Size | 1.84 GB |
| SHA256sum | 9806d792f2fae936c612d331ff016162838d757109b9db91d2e87d737b83bbc7 |
| MD5sum | 39eb30770cd1ba3f6a459c5cad39fac6 |
| SHA1sum | 1104ad781af7757e7afa48e59b2bdeaad9948829 |
| Identifier | iPad4,3 |
cd ~/Downloads.idevicerestore -e iPad4,3_9.2.1_13D15_Restore.ipsw and press Enter.