Apple on Wednesday stopped signing code for iOS 13.5.1, effectively preventing users who updated to the latest iOS 13.6 from downgrading to the previous operating system.Issued last week, iOS 13.6 delivers a handful of new features like audio versions of popular Apple News stories, support for the CarKey protocol and new Health app options.The previous iOS 13.5.1 was pushed out to users in May to patch a vulnerability that allowed the unc0ver 5.0 jailbreak to operate.Read more
