✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Upload Date | 29th February 2012 |
|---|---|
| Filename | iPhone2,1_5.1_9B176_Restore.ipsw |
| Filesize | 720 MB |
| MD5sum | 51e253431b1080cbbb5073efc87b1bb3 |
| SHA1sum | 4182c7ee075a5acbb2595b1cc27fe279e9c343ce |
| Identifier | iPhone2,1 |