This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 27 March 2017 |
| Upload Date | 20 March 2017 |
| File Name | iPhone_7Plus_10.3_14E277_Restore.ipsw |
| File Size | 2.56 GB |
| SHA256sum | be679c9841d95c65380ea4a651029c1ed965c0e2c0c83b7709996d4d44b84b14 |
| MD5sum | bd0d85f9a6353f17693354eb5213ecaa |
| SHA1sum | c85a0968621002430c8810d42d93040d2bb87481 |
| Identifier | iPhone9,2 |
cd ~/Downloads.idevicerestore -e iPhone_7Plus_10.3_14E277_Restore.ipsw and press Enter.