This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 23 September 2021 |
Upload Date | 20 September 2021 |
File Name | iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw |
File Size | 2.81 GB |
SHA256sum | 58d63cf7902b27e3f1f2e4ef2c0ca0b475303b083f660c20af17ad0dbd8babd5 |
MD5sum | 7395e3f79e59d0451849c52f1ff495f4 |
SHA1sum | f61b78c33c5664b71f2965f7266956019fe82c65 |
Identifier | iPhone6,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_12.5.5_16H62_Restore.ipsw
and press Enter.