This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 14 March 2022 |
Upload Date | 01 March 2022 |
File Name | iPhone_4.0_64bit_15.4_19E241_Restore.ipsw |
File Size | 4.86 GB |
SHA256sum | a7f670af6a0b1e24aa872151d05d75ed0392b769547f125f2345c0841b27b7b5 |
MD5sum | aa02c664fd825b07c7bbba305cf1002d |
SHA1sum | 51e42103ad63867c70ea15f1710b32475d9f2ecb |
Identifier | iPhone8,4 |
cd ~/Downloads
.idevicerestore -e iPhone_4.0_64bit_15.4_19E241_Restore.ipsw
and press Enter.