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 | iPad5,4_9.2.1_13D20_Restore.ipsw | 
| File Size | 1.86 GB | 
| SHA256sum | 133f98560a01fe9d7ab55a916f0c414ebe0bad46760e1e44c2e595a38055cf4f | 
| MD5sum | c21a61cec372450c39fe94cc1dffe180 | 
| SHA1sum | f4a9e21319596ae28ef8bc5c9c26e7394fc44e21 | 
| Identifier | iPad5,4 | 
cd ~/Downloads.idevicerestore -e iPad5,4_9.2.1_13D20_Restore.ipsw and press Enter.