This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 26 January 2021 |
Upload Date | 17 January 2021 |
File Name | iPhone_4.0_64bit_14.4_18D52_Restore.ipsw |
File Size | 4.28 GB |
SHA256sum | cbe8f578195a7daf08a1090354d36130a79f3b6a28d8c356786160e25ece3e6c |
MD5sum | f5178f60c964c6132d64f835e030104e |
SHA1sum | 0a9f63c951b03927caf108b385c8e19215f7ec24 |
Identifier | iPhone8,4 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_14.4_18D52_Restore.ipsw
and press Enter.