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 | iPad4,8_9.2.1_13D20_Restore.ipsw |
| File Size | 1.85 GB |
| SHA256sum | b81968dc4e59a58d7d3a1fc1f9b3a70809731e16fec601155c34fc7a5781fa93 |
| MD5sum | f36a3a0d793811cfe99f7527614f627e |
| SHA1sum | c6804c21262c1bf92c5159209644bc5f296f6d4f |
| Identifier | iPad4,8 |
cd ~/Downloads.idevicerestore -e iPad4,8_9.2.1_13D20_Restore.ipsw and press Enter.