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Apple allegedly fixes iOS battery drain bug with 15.4.1 update

Apple has released an update that claims to fix a battery drain bug that affected some iPhones and iPads after they updated to iOS 15.4.
Apple allegedly fixes iOS battery drain bug with 15.4.1 update
File photo: An iPhone unit updated to iOS 15.4

What is the 15.4.1 update for?

After the Cupertino giant released iOS 15.4 update, some users reported an issue in which their devices' batteries seemed to drain at a much faster rate than before. Not all users who installed the update had this problem, but it was widespread enough to get Apple's attention.

Some iPhone users took to Twitter to complain about battery drain after installing iOS 15.4. Apple Support responded to these customers by tweeting it's normal for some apps and features to adjust for "up to 48 hours after an update."

According to a source, Apple only recently started rolling out this update, though most iPhone and iPad users should get the 15.4.1 update by the end of March. The company includes a release note that explains the other bugs that Apple resolved with this patch.

The first of these issues involves Braille devices that become unresponsive while navigating text or displaying an alert. The update also solves another issue that affected hearing devices made for iPhones and iPads that lost their connection with select third-party apps at times.

In addition to this, the iOS 15.4.1 update also patches a vulnerability that could potentially allow an application to execute arbitrary code with kernel privileges. Allegedly, this vulnerability may have been actively exploited, so it is a good idea for all users to update as soon as possible.

Aside from the iOS 15.4.1, Apple also released the iPadOS 15.4.1, tvOS 15.4.1, HomePod 15.4.1, and the watchOS 8.5.1.

Note that the availability of the patches depends on the model of your device. The updates mentioned above are only compatible with the iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation).

To update your iPhone, go to Settings > General > Software Update. To update your Mac, go to System Preferences > Software Update.

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