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 | iPhone8,2_9.2.1_13D15_Restore.ipsw |
| File Size | 2.22 GB |
| SHA256sum | f7e435fbabfdf055c81ad9b4dd2ee36d202b283cb11695140962ce195a5cb88b |
| MD5sum | 02d54a87061860ec01a03c80ae20841b |
| SHA1sum | b09aff0d8a92bedc83b17bdfb40169e1d6014dde |
| Identifier | iPhone8,2 |
cd ~/Downloads.idevicerestore -e iPhone8,2_9.2.1_13D15_Restore.ipsw and press Enter.