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iOS 18.3.1 brings critical fixes for iPhone: 4 key things you should know before updating
iOS 18.3.1 is an important update that all owners of compatible devices must download. Here are the details.
Apple has released a brand-new update for iPhones: iOS 18.3.1. Unlike typical iOS, iPadOS, and macOS updates that introduce new features, this update focuses on critical bug fixes and security improvements. It is an important update that all owners of compatible devices must download, and Apple states that it is recommended for all users. Here are four things you need to know about the iOS 18.3.1 update.
Also Read: iPhone SE 4 could launch this week, potentially disrupting Android and Apple flagships. Here’s why
Why is the iOS 18.3.1 update important?
Apple explains in its release notes that this update fixes an issue where a physical attack could disable USB Restricted Mode on a locked device. In fact, Apple is aware of a report indicating that this vulnerability may have been exploited. It describes the attack as extremely sophisticated and targeting specific individuals. To address this, the update includes improved state management to fix an authorisation issue.
What is the name of this vulnerability, and who discovered it?
The vulnerability is identified as CVE-2025-24200. It was discovered by Bill Marczak of The Citizen Lab at The University of Toronto’s Munk School.
Which devices are eligible for this update?
This update is available for the following devices:
iPhone: iPhone XS and later, meaning all models from the iPhone XS to the latest iPhone 16 series.
iPad: iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later
How to download this update
To install iOS 18.3.1 on your supported iPhone:
- Open the Settings app.
- Navigate to General > Software Update.
- Wait a second for the iPhone to check for updates.
- Once iOS 18.3.1 appears, choose between Update Now or Update Tonight, depending on your preference.
- Enter your device passcode when prompted, and the update will begin downloading.
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Business NewsTechnologyNewsiOS 18.3.1 brings critical fixes for iPhone: 4 key things you should know before updating
First Published:11 Feb 2025, 05:27 PM IST
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