iOS 15.4.1 Issues And Bug Fixes (Battery Drain Problem)

iOS 15.4.1 update

iOS 15.4.1 update


Apple has released iOS 15.4.1, build number 19E258, more than one month ago. It’s a bug fixing update for iOS 15.4. The most important issue addressed tackles the unexpected battery drain problem for users that have previously updated to iOS 15.4.

iOS 15.4.1 Download

ios 15.4.1 download

  • 1. If you haven’t updated already you can do it over-the-air in Settings -> General -> Software Update.
  • 2. Go for Download and Install.
  • 3. Type your Passcode and be patient until the update is requested, downloaded, prepared, verified and installed on your iPhone or iPad.
  • Fact: The device restarts to mark the end of the update process.

iOS 15.4.1 Features

ios 15.4 update log
The release notes mention a series of new features including unlocking iPhone with Face ID while wearing a mask and other changes. However, they’ve been already introduced in iOS 15.4. You should only experience bug fixes if you previously updated to the 4th major iteration.

Nevertheless, if you do find anything new, don’t hesitate to share it in the comments and we will update it in this section:

  • To be updated!

iOS 15.4.1 Bug Fixes

The issues patched by this update are listed below:

  • Fixes an issue where battery may drain more quickly than expected after updating to iOS 15.4.
  • Fixes a bug where Braille devices may become unresponsive while navigating text or displaying an alert.
  • Fixes a bug where hearing devices may lose connection within some third-party apps for iPhone.
  • Fixes a bug that allowed arbitrary code execution with kernel privileges in AppleAVD, Apple’s framework for audio and video decoding. Apple notes that they are aware this bug has been actively exploited.

If you notice any other iOS 15.4 issues that have been fixed in this version, don’t hesitate to mention them in the comments section and we will update them here:

  • To be updated!

iOS 15.4.1 Issues

While software updates for iPhone and iPad focus on new features and fixing bugs, it often happens for new problems to surface after a new release. If you’re facing any new issues after updating to iOS 15.4.1 don’t hesitate to share them with us.

  • To be updated!

Have you updated to iOS 15.4.1? What’s your feedback? Use the comments section, available at the end of this article to share your pros and cons. Else, continue reading and learn what’s new in this version!

ios 15.4.1 build number

Related: Apple has also released iPadOS 15.4.1 (19E258), watchOS 8.5.1 (19T252), macOS Monterey 12.3.1 (21E258), tvOS 15.4.1 (19L452) and HomePod 15.4.1.