This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 28 October 2019 |
| Upload Date | 22 October 2019 |
| File Name | iPhone_4.0_64bit_13.2_17B84_Restore.ipsw |
| File Size | 3.42 GB |
| SHA256sum | 4adf5f47835dfc066c0c39f7623e42ee7fbc24d6160aa47aa95ba50e6c3aa080 |
| MD5sum | 83bfb1df7f7043c906b977e4700ff378 |
| SHA1sum | 55ff51ddafbf9f13e95eb1309ce87689ddd13ab0 |
| Identifier | iPhone8,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_13.2_17B84_Restore.ipsw and press Enter.