✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Release Date | October 15, 2019 |
|---|---|
| Upload Date | October 10, 2019 |
| Filename | iPhone_4.0_64bit_13.1.3_17A878_Restore.ipsw |
| Filesize | 3.4 GiB |
| SHA256sum | 677dbb4d3acebc46d36ecbfff60da56d85c65c3723556d0b843964d223f362c2 |
| MD5sum | f09680ac559521bd447676397ebfa37b |
| SHA1sum | b8f01a04bdf2e6a40752d5d5b51cf203e634ff43 |
| Identifier | iPhone8,4 |