This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 11 October 2017 |
Upload Date | 07 October 2017 |
File Name | iPhone_4.0_64bit_11.0.3_15A432_Restore.ipsw |
File Size | 2.43 GB |
SHA256sum | 6bba4dc640ad30aa7ab87bfb908af6c90e6f9aa9cce227839d650718af3ad186 |
MD5sum | 291eed6d184b48a6438bd4ca3fd26c2d |
SHA1sum | fb7a37a98c7ff24ed9c6040282ad3626ede8b9e7 |
Identifier | iPhone6,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_11.0.3_15A432_Restore.ipsw
and press Enter.