This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 21 October 2015 | 
| Upload Date | 16 October 2015 | 
| File Name | iPad5,3_9.1_13B143_Restore.ipsw | 
| File Size | 1.80 GB | 
| SHA256sum | ecdc61af5e68a074b63d145ea99a48a3048f12595f475353e304a80603e01919 | 
| MD5sum | b9c669326f7330eb9ef1a2b005930df3 | 
| SHA1sum | 96e8b1607e07c6cde7b55694c684a43d137f6d67 | 
| Identifier | iPad5,3 | 
cd ~/Downloads.idevicerestore -e iPad5,3_9.1_13B143_Restore.ipsw and press Enter.