This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 26 August 2019 |
| Upload Date | 22 August 2019 |
| File Name | iPhone_5.5_12.4.1_16G102_Restore.ipsw |
| File Size | 3.12 GB |
| SHA256sum | 3cfabd97751d8140fe454ac141ae29d629dba8c7def01c763288375e9cb75976 |
| MD5sum | 8a374df4132aedddd0207c8978080b35 |
| SHA1sum | 671863b1a34cb4d8abc44919679c645f0500486d |
| Identifier | iPhone8,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.4.1_16G102_Restore.ipsw and press Enter.