Apple officially locks iOS sign 12.1.4, 13.0, 13.1.1
iOS 13 is now available as an iOS 13.2 beta 1 release for first-party developers. And with this move, on October 5, Apple has officially locked sign of iOS versions 12.1.4, 13.0, 13.1.1. And so iOS devices cannot return to versions older than version 13.1.2, except version 13.1 is still usable.
In general, this information does not greatly affect users who have not jailbroken their iOS device. According to Macromors, this is also the usual practice of Apple right after the release of the new iOS version only a few weeks. New updates for iOS are still being researched and released by Apple, in order to improve the bugs that still exist in previous iOS versions, to increase the user experience than in newer iOS versions. .
With the latest version of iOS 13.1.2, battery issues have been significantly improved, fixing iCloud backup errors, errors related to flashlight or camera not being able to launch, or the issue of shortcuts being unable to run from the HomePod. Also in this new version of iOS 13.1.2 Apple will also add many new features to complement the Deep Fusion camera in iPhone 11 series.
- Fix battery drain phenomenon on iPhone when updating to iOS 11.3
- iOS 11.3 disables the iPhone touch screen to be replaced by a third party
- Common errors after updating to iOS 11.3
- Instructions to check the sign status of the iOS firmware
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