Now came the impossible part: signing. Here’s the truth the forums never tell you: You cannot create a valid, Apple-signed IPSW on any OS. The signature uses a private key only Apple has.
Inside: a mess of DMG files, a BuildManifest.plist , and a Restore.plist . how to edit ipsw file on windows
iOS booted. Her grandmother’s photos were intact. Now came the impossible part: signing
She changed it to <false/> using a hex editor (HxD) because plist editors refused to save system files. how to edit ipsw file on windows