This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 09 July 2010 |
| File Name | iPad1,1_3.2.1_7B405_Restore.ipsw |
| File Size | 0.45 GB |
| SHA256sum | 5297b5adc987572e8b198e13ed516eca11479d21b3b16ffe5319bf44d2828416 |
| MD5sum | 5ccf846d96a677f42ac183f5a137dc92 |
| SHA1sum | de0a2b64cd335d48fb4abc9ed8700f5dbdf768ca |
| Identifier | iPad1,1 |
cd ~/Downloads.idevicerestore -e iPad1,1_3.2.1_7B405_Restore.ipsw and press Enter.