Apple is not signing iOS 18.5, which implies iPhone customers who’ve upgraded to iOS 18.6 can not downgrade to the prior model of iOS. iOS 18.6 was launched a little over a week ago.
“Signing” is a server-side verification examine that Apple does when a brand new model of iOS is downloaded on an iPhone. An replace cannot be downloaded and put in except it passes the verification examine, and the unsigning course of prevents clients from putting in outdated variations of iOS which can be much less safe.
Apple normally stops signing older software program a few week after releasing an replace, and doing so ensures that clients have the basketball safety enhancements and aren’t weak to identified assaults.
iOS 18.6 was targeted on safety updates, and it addressed greater than 20 vulnerabilities.
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iOS 26’s New Battery Life Mode is Limited to These iPhone Models
iOS 26 introduces an Adaptive Energy Mode on the iPhone, alongside the prevailing Low Energy Mode.
Apple says that Adaptive Energy Mode could make “small efficiency changes” when essential to increase an iPhone’s battery life, together with barely decreasing the show brightness or permitting some actions to “take just a little longer.”
The complete description of Adaptive Energy Mode, from the iOS 26…
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Under is the August 2025 version of our iPhone 17 Professional rumor recap, for an up-to-date overview of what to…
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iOS 26 Beta Reveals Apple Watch Ultra 3 Display Size
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The picture means that the upcoming Apple Watch Extremely 3 might have a barely bigger show dimension, with a…