This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 05 December 2018 |
Upload Date | 05 December 2018 |
File Name | iPhone_4.0_64bit_12.1.1_16C50_Restore.ipsw |
File Size | 2.87 GB |
SHA256sum | 61c2f05845d90950c20530356b8481da83fc92e435bffe04c08a59195e41349d |
MD5sum | 5551eeaa9ccc52ff76f7d17bf3cb9acd |
SHA1sum | 5118092cc298f4243041fbd3d3163d7c224ca510 |
Identifier | iPhone8,4 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_12.1.1_16C50_Restore.ipsw
and press Enter.