Apple halts iOS 13.7 signing following release of iOS 14

Apple on Tuesday stopped signing code for iOS 13.7, the last iteration of iOS 13 to be issued prior to last week's debut of iOS 14.

The halt of iOS 13.7 code signing comes six days after Apple pushed out the next-generation iOS 14 in a release that took developers by surprise. With Apple no longer authenticating iOS 13.7 code, device users who upgraded to iOS 14 are no longer able to download or install the now out-of-date operating system.The outgoing operating system version included support for Apple and Google's Exposure Notification Express system, which enables users to take advantage of the framework without downloading an app. Local health authorities are required to support the feature, though the update takes much of the burden off of users.

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