The updates are available on all eligible devices over-the-air in the Settings app. It can be downloaded for free. Users may head to the Settings > General > Software Update to access the new software update.
As per the update’s release notes, it fixes the issue that led to faster battery drains after updating to iOS 15.4. The update also brings a fix for Made for iPhone hearing devices and Braille devices. Here are the known issues that the new OS update will fix:
- Battery may drain more quickly than expected after updating to iOS 15.4
- Braille devices may become unresponsive while navigating text or displaying an alert
- Made for iPhone hearing devices may lose connection within some third-party apps
Apple iOS 15.4.1 and iPadOS 15.4.1 also fix an AppleAVD issue that could allow an app to execute arbitrary code with kernel privileges. Apple suggests the user to update to the update as soon as possible as the issue may have been actively exploited.
iOS 15.4 brings the ability to unlock an iPhone while wearing a mask. The feature is currently supported on Apple iPhone 12 and above models. The update also comes with more than 100 new emojis from the Emoji 14.0 set, a new voice for Siri, improvements to Safari web page translations and more.