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 | iPad4,5_9.2.1_13D15_Restore.ipsw |
| File Size | 1.84 GB |
| SHA256sum | 0d22bf1e73f390c5fa4859ac62d21e4efd0e9202d808efbc3717075be13e83e3 |
| MD5sum | 8ff3db4b440c748cf0f011a728c714c3 |
| SHA1sum | d6a311107bc4427fe26ac1a16ff365cd69d54630 |
| Identifier | iPad4,5 |
cd ~/Downloads.idevicerestore -e iPad4,5_9.2.1_13D15_Restore.ipsw and press Enter.