This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 05 September 2008 |
| File Name | iPhone1,1_2.1_5F136_Restore.ipsw |
| File Size | 0.23 GB |
| SHA256sum | e8fede3b44e2c027c9a1da9109a4dce47ed29ee6f54c780785b3a257fd11db0f |
| MD5sum | aeb8156f12dc72b355bd97d519115073 |
| SHA1sum | 353b7745767b85932e14e262e69463620939bdf7 |
| Identifier | iPhone1,1 |
cd ~/Downloads.idevicerestore -e iPhone1,1_2.1_5F136_Restore.ipsw and press Enter.