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Following the release of iOS 13.1.2 on Monday, Apple has stopped signing several previous versions of iOS, preventing downgrades to these earlier versions. iOS versions no longer being signed include iOS 12.4.1, iOS 13.0, and iOS 13.1.1, while iOS 13.1 remains signed for the time being.
iOS 13.1.2 was a bug fix release that quickly followed iOS 13.1.1, which primarily addressed issues with battery drain, Siri, and access permissions for third-party keyboards. iOS 12.4.1 was largely a jailbreak fix released by Apple in late August.
Apple routinely stops signing older versions of software updates after new releases come out in order to encourage customers to keep their operating systems up to date.
iOS 13.1.2 is now the current public version of iOS, but developers and public beta testers can download iOS 13.2, an upcoming update with features like the Deep Fusion image processing system for the new iPhone 11 lineup.
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And create a support nightmare. Yes, that's CERTAINLY a good idea.Cut this nonsense Apple, sign every version of iOS and let people choose.
I still have HS/12.6 for the apps part, but it won't update iOS or iOSpad or whatever it is on my iPad or iPhoneSE with 13. I have to update them OTA now. Synching all still seems to work, but I'm not really sure what is being backed up anymore. There are some apps that generate a message during sync like 'this app can only be installed on an iOS device', like it WON'T keep a copy on my MacBook. There's just starting to be too many gotchas with all of this stuff no matter what the version is of anything. It's a house of cards, but for now the cards are thick cardboard, instead of thick paper.Won't update existing devices to iOS 13 until they release a version of iTunes 12.6 that supports app installation from the desktop from macOS prior to High Sierra.