This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 17 June 2010 |
| File Name | iPhone1,2_4.0_8A293_Restore.ipsw |
| File Size | 0.29 GB |
| SHA256sum | 584bc9190a259a3bf61a0d82fd1b8f2b9e1d12e4cb991c6d5eab79b1a2dee0ef |
| MD5sum | 851ba4b463ff6c7f0f07db3ac9a600d5 |
| SHA1sum | ee1eba9281b902d7ff3f24d50f9aebff0df27f92 |
| Identifier | iPhone1,2 |
cd ~/Downloads.idevicerestore -e iPhone1,2_4.0_8A293_Restore.ipsw and press Enter.