This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 10 February 2022 |
Upload Date | 07 February 2022 |
File Name | iPhone_4.7_15.3.1_19D52_Restore.ipsw |
File Size | 5.07 GB |
SHA256sum | be85c83b2504d5103e4f6a6be2e3e039bfb12b27707919b27e6e9b906a93c062 |
MD5sum | b345fadb1ae50d25bf34b0acb1cc1438 |
SHA1sum | 908884e9b7014a7161534c895fc649e9cd44508a |
Identifier | iPhone8,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.7_15.3.1_19D52_Restore.ipsw
and press Enter.