This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 20 December 2018 |
Upload Date | 18 December 2018 |
File Name | iPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw |
File Size | 2.87 GB |
SHA256sum | 20bfd0eaf07be8378976d68cc7876b73a3c767fa03e6e92f2af7cbd0035882ff |
MD5sum | ad12d08621ccda6746da9fc9910cd82d |
SHA1sum | 580d654267d0998040aea2579f17c2d72caf81af |
Identifier | iPhone8,4 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_12.1.2_16C104_Restore.ipsw
and press Enter.