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 | iPad3,4_9.2.1_13D15_Restore.ipsw |
| File Size | 1.55 GB |
| SHA256sum | 0c02554d1ba1fb057a51a350a134853314f071471ef8dbec24d48462ae93575e |
| MD5sum | 9554138e319f24c430e0bf85acc954cc |
| SHA1sum | aafa3a860449ce9e1a19db9f755726d7d036f3e8 |
| Identifier | iPad3,4 |
cd ~/Downloads.idevicerestore -e iPad3,4_9.2.1_13D15_Restore.ipsw and press Enter.