NOT a VALID IPSW. Are you getting this error while choosing IPSW file for sn0wbreeze? Why did you get Not a valid IPSW error on sn0wbreeze? How-to fix “not a valid IPSW” on sn0wbreeze? There are some possibilities why “Not a valid IPSW” error comes up on your sn0wbreeze. – Incorrect sn0wbreeze for incorrect iOS … Continue reading Fix sn0wbreeze "Not a valid IPSW"