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 | iPad4,1_9.2.1_13D15_Restore.ipsw |
File Size | 1.79 GB |
SHA256sum | 4a02855f47043ad1d32c9ee643204786eeb5763dac23c34d4dd7ccf7ccf596c0 |
MD5sum | 4ee902c48f938f4c436b641e58cff9ca |
SHA1sum | e6044aee91bb1658f2b4b66d7b98e4071171a342 |
Identifier | iPad4,1 |
cd ~/Downloads
.idevicerestore -e iPad4,1_9.2.1_13D15_Restore.ipsw
and press Enter.