This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 19 January 2016 |
Upload Date | 12 January 2016 |
File Name | iPad4,2_9.2.1_13D15_Restore.ipsw |
File Size | 1.84 GB |
SHA256sum | a91532c4c3884bdd89a5f6e26c3037c01d8c1caaee9c5c46ac8ec324d114aa1c |
MD5sum | 2610af7b0e82319ae94e527952787036 |
SHA1sum | 30fa6ebaf163af35b1852881c6189a31fec76eb9 |
Identifier | iPad4,2 |
cd ~/Downloads
.idevicerestore -e iPad4,2_9.2.1_13D15_Restore.ipsw
and press Enter.