MacOS Sequoia 15.4.1 Update Released with Bug & Security Fixes

Apr 16, 2025 - 2 Comments

MacOS Sequoia 15.4.1 update

Apple has released MacOS Sequoia 15.4.1 as a software update for Mac users running the Sequoia operating system. The update focuses exclusively on security updates and bug fixes, and contains no new features.

Separately, Apple also released iOS 18.4.1 for iPhone, iPadOS 18.4.1 for iPad, and updates to tvOS, watchOS, and visionOS, and those updates also focus on bug resolutions and security fixes.

How to Download & Install MacOS Sequoia 15.4.1 Update

Always backup Mac with Time Machine before starting any system software update:

  1. From the  Apple menu, go to “System Settings”
  2. Select “General”, then select “Software Update”
  3. Click on “Update Now” for “macOS Sequoia 15.4.1” to begin the download and update process

The Mac must restart to complete installation of the system software update.

It’s important to remember that updating MacOS can take a while so have some patience.

Direct Download macOS Sequoia 15.4.1 Installer & IPSW File

Users can also choose to download the package installer file for 15.4.1, or the IPSW firmware file. These may be useful for making bootable Sequoia installers, updating multiple Macs without repeat downloads, setting up virtual machines, and many other purposes.

MacOS Sequoia 15.4.1 Release Notes

Release notes for MacOS Sequoia 15.4.1 are very brief:

This update provides important bug fixes and security updates, and is recommended for all users.

For information on the security content of Apple software updates, please visit: https://support.apple.com/100100

Don’t forget to install the available updates onto your other Apple devices as well, including iOS 18.4.1 for iPhone, iPad, Apple TV, Apple Watch, and Apple Vision Pro.

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Posted by: Paul Horowitz in Mac OS, News

2 Comments

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  1. Marcotor says:

    Feels snappier ;)

  2. Chopped Liver says:

    I was waiting to start using my new mac mini until Apple could go longer than 2 weeks without issuing OS fixes. There hasn’t been an OS older than 2 weeks in over a month with 3 fixes, but 16 days is a new record. But maybe I undercounted the updates. If apple customers are now beta testers, what does that make beta testers?

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