This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 13 December 2021 |
Upload Date | 03 December 2021 |
File Name | iPhone_4.7_15.2_19C56_Restore.ipsw |
File Size | 5.07 GB |
SHA256sum | 05eec8ec3d1461066741f70fa8ee5bc8eda86bd0451b6e4426aceb4de2fadd26 |
MD5sum | c4c3d714eea0219691732f4ddad8b10d |
SHA1sum | 0cd480863985c7f78e4f55e5902939405b7d6209 |
Identifier | iPhone8,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.7_15.2_19C56_Restore.ipsw
and press Enter.