Apple has already stopped signing iOS 11.4, blocking downgrades

With last week’s release of iOS 11.4.1, Apple has already stopped signing the prior version, 9to5Mac reports, effectively preventing users from downgrading, despite the relatively minor changes in the iOS 11.4.1 release. Since downgrading is normally only an issue for users looking to jailbreak an iOS device, Apple’s move to quickly stop signing the older version may indicate that there are deeper security fixes under the hood in iOS 11.4.1.

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