This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 18 February 2016 | 
| Upload Date | 16 February 2016 | 
| File Name | iPad5,3_9.2.1_13D20_Restore.ipsw | 
| File Size | 1.81 GB | 
| SHA256sum | |
| MD5sum | fb2bd7305609624ea46001571a8b4055 | 
| SHA1sum | 86215bd9fe85c798facdb9d8024f5ed9f213a0dd | 
| Identifier | iPad5,3 | 
cd ~/Downloads.idevicerestore -e iPad5,3_9.2.1_13D20_Restore.ipsw and press Enter.