MacOS Sequoia 15.1.1 with Security Fixes Available Now
Apple released the macOS Sequoia 15.1.1 update, a small software update that mainly contains important Mac security fixes. This update does not contain any new features, but fixes multiple security vulnerabilities that are being actively exploited, so it is highly recommended that you install this important update on your Apple device.
In addition, Apple has released iOS 18.1.1 for iPhone, iPadOS 18.1.1, visionOS 2.1.1, iOS 17.7.2 and iPadOS 17.7.2, all of which include the same security patches.
How to download and install macOS Sequoia 15.1.1 update
Before starting any system software updates, it is best to use Time Machine for backup:
- Go to the Apple menu and select System Settings
- Go to General and select Software Update
- Later you will see "macOS Sequoia 15.1.1" displayed as available for download, select "Update Now" to start the installation process
You must restart your Mac to complete the installation of macOS Sequoia 15.1.1.
If you are running a beta version of Sequoia 15.2, you won't see this update.
Download the macOS Sequoia 15.1.1 installer and IPSW files directly
The following link points directly to the Apple CDN server to download macOS Sequoia 15.1.1. Note that for some reason, the M4 Mac family has different installers and IPSW files, so if you are using an M4 Mac, make sure to get a version specific to these devices.
- MacOS Sequoia 15.1.1 InstallAssistant.pkg (version 24B91)
- MacOS Sequoia 15.1.1 InstallAssistant.pkg (version 24B2091 – M4 Mac only?)
- MacOS Sequoia 15.1.1 (version 24B91) IPSW
- MacOS Sequoia 15.1.1 IPSW (version 24B2091)
The installer package file can be used to install the latest version of Sequoia on multiple Macs, as well as to create USB installers and boot disks, and the IPSW file can be used to restore Macs and easily set up virtual machines.
macOS Sequoia 15.1.1 Release Notes
Release Notes are brief:
This update provides important security fixes that are recommended for all users to install.
For security content information about Apple software updates, visit this website: https://www.php.cn/link/53b1ab0fb54159c63dc80b31554ed473
While installing updates for your Mac, don't forget to update your iPhone, iPad, and other Apple devices.
The above is the detailed content of MacOS Sequoia 15.1.1 with Security Fixes Available Now. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











After upgrading to the latest macOS, does the Mac run slower? Don't worry, you are not alone! This article will share my experience in solving slow Mac running problems after upgrading to macOS Sequoia. After the upgrade, I can’t wait to experience new features such as recording and transcription of voice notes and improved trail map planning capabilities. But after installation, my Mac started running slowly. Causes and solutions for slow Mac running after macOS update Here is my summary of my experience, I hope it can help you solve the problem of slow Mac running after macOS Sequoia update: Cause of the problem Solution Performance issues Using Novabe

This guide explains how to convert between Live Photos, videos, and GIFs on iPhones and Macs. Modern iPhones excel at image processing, but managing different media formats can be tricky. This tutorial provides solutions for various conversions, al

macOS WindowServer: Understanding High CPU Usage and Solutions Have you noticed WindowServer consuming significant CPU resources on your Mac? This process is crucial for your Mac's graphical interface, rendering everything you see on screen. High C

You can’t really use the internet nowadays without encountering the hashtag symbol that looks like this — #. Popularized on a global scale by Twitter as a way to define common tweet themes and later adopted by Instagram and other apps to c

From the dawn of time to just about a few years ago, all of us sported a pair of wired headphones and were convinced that this is simply how it will be done forever. After all, they are the easiest technology around: just plug them in, put them

You might need to repair your Mac disk if your computer won’t start up, apps keep freezing, you can’t open certain documents, or the performance has slowed to a halt. Luckily, Apple includes a handy tool you can use to

Managing Mac storage: A comprehensive guide to deleting files Daily Mac usage involves installing apps, creating files, and downloading data. However, even high-end Macs have limited storage. This guide provides various methods for deleting unneces

With a market share of over 65.7%, Google Chrome is the biggest web browser in the world. You can use it if you use other operating systems like Windows and Android, but many Mac users also prefer Chrome over Safari. Mo
