Following the release of iOS 15.4, Apple has fixed an issue that might cause the battery to deplete more abruptly than intended after switching to the latest version of the operating system.
It is completely free to download and install the iOS 15.4.1 and iPadOS 15.4.1 upgrades, and the software is automatically downloaded and installed on all compatible devices over-the-air through the Settings app.
In addition, the iOS upgrade featured a security patch for the operating system. iPhones may have been compromised because of a security flaw, according to reports.
Apple doesn’t give a lot of detail about what’s fixed in iOS 15.4.1, to allow as many iPhones as possible to be updated before more attackers can get hold of the details. According to Apple’s support page, iOS 15.4.1 patches a vulnerability in Apple AVD, which could allow an application to execute arbitrary code with kernel privileges.Source: Forbes
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