This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 24 July 2023 |
Upload Date | 13 July 2023 |
File Name | UniversalMac_13.5_22G74_Restore.ipsw |
File Size | 12.01 GB |
SHA256sum | a42a5ba126a4a35bae9f3dcd64565abc2232e9f3954c658cf5cab5bd92f9d191 |
MD5sum | b0d2687b153efb321c57fe366f707ae4 |
SHA1sum | bb9eac118d987b43ac0f5b5fcbe496822a2e033a |
Identifier | iMac21,2 |
cd ~/Downloads
.idevicerestore -e UniversalMac_13.5_22G74_Restore.ipsw
and press Enter.