This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 16 September 2015 |
| Upload Date | 09 September 2015 |
| File Name | iPhone4,1_9.0_13A344_Restore.ipsw |
| File Size | 1.47 GB |
| SHA256sum | ff1d73a0beef7102f3ac041518cff2047ebafbaceaef3fc72f2f688a3eba8065 |
| MD5sum | b3952dde1ffaa8bf1d5a35bb6378807b |
| SHA1sum | 5dbe5d8def4e93652ffb29df093b741d3066bb91 |
| Identifier | iPhone4,1 |
cd ~/Downloads.idevicerestore -e iPhone4,1_9.0_13A344_Restore.ipsw and press Enter.