Apple has released the iOS 15.4.1 and iPadOS 15.4.1 updates for its devices, just a couple weeks after released iOS 15.4. The update is meant to fix battery drain issues that some users reported after updating to iOS 15.4. Alongside iOS and iPadOS, Apple has also released updates for the Apple Watch and HomePod devices.
Many iPhone and iPad users had reported battery drain issues after updating to iOS 15.4 and iPadOS 15.4. iPhone 13 Pro Max users reported seeing battery life reduce to around half a day, while iPhone 11 users also said their batteries were draining much faster than normal. The new iOS 15.4.1 and iPadOS 15.4.1 update fixes this issue.
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The updates also include a fix for a security issue with the AppleAVD media decoder, which would allow an attacker to execute arbitrary code. Apple has noted that this zero-day vulnerability may have been used by hackers.
Users can manually check for the iOS 15.4.1 and iPadOS 15.4.1 updates by going to Settings, General, and then Software Updates.