This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 09 March 2015 | 
| Upload Date | 04 March 2015 | 
| File Name | iPad5,3_8.2_12D508_Restore.ipsw | 
| File Size | 1.90 GB | 
| SHA256sum | 43c7ef84cc56559ec7edb1ee0a2a650d1872eb93a1c92aa57ca85b914b1763df | 
| MD5sum | cd4a0f560587f94f05c677b425cae0b8 | 
| SHA1sum | a128b7314ac8735df53e25d7fe136b7d9814e777 | 
| Identifier | iPad5,3 | 
cd ~/Downloads.idevicerestore -e iPad5,3_8.2_12D508_Restore.ipsw and press Enter.