On the morning of May 24th, users who have upgraded to iOS 15.5 pay attention. After investigation, Apple has closed the iOS 15.4.1 system verification channel, which means that it is impossible to downgrade from 15.5.
It is reported that,The iOS 15.4.1 system was released at the end of March, and the official version of iOS 15.5 was only released last week. Currently, Apple has started testing iOS 15.6.
In iOS 15.4.1, Apple addressed the rapid battery drain and the AppleAVD vulnerability (allowing applications to access the kernel for arbitrary code execution).
However, according to Apple, it is recommended that users update to iOS 15.5 as soon as possible. The version not only fixes more than 20 bugs (most of which can trigger remote execution vulnerabilities), but also upgrades the baseband version to improve mobile phone signals, especially iPhone 12/13. Improved battery life, etc.
In addition, if you don’t mind the beta version, iOS 16 will debut at the WWDC conference next week.
Hashtags: iOS 15iOS 16Apple
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