Apple iOS 15.3: Features, Bug Fixes, Size, Release Notes, and Installation

After 2 Beta version releases and Candidate release (RC), Apple has finally released the latest iOS 15.3. Apple has released its stable version of iOS 15.3, iPadOS 15.3 and has been started rolling out to its eligible devices. Let’s discuss which are the prime features, bug fixes, release notes, and installation of iOS 15.3.

iOS and iPadOS 15.3: Complete features, Bug fixes and Release Notes

As per the release notes of iOS 15.3 stating “includes bug fixes and security updates for your iPhone and is recommended for all users”, there are about 10 security updates. It includes ColorSync, which leads to arbitrary code execution when a maliciously crafted file is processed. The crash Reporter bug which allowed the malicious applications to gain root privileges was fixed. iCloud bug, which allowed any application to access a user’s file was also fixed. IOMobileFrame Buffer bug, which led to malicious application able to execute arbitrary code with kernel privileges was fixed.

Buffer overflow issue was addressed with improved memory handling. Model I/O bug, which leads to application termination or arbitrary code execution when a maliciously crafted STL file was processed. All the above stated are available for all iPhones (iPhones 6s and later), iPad Pro (all models), iPad Air (Air 2 and later), iPad (5th generation and later), iPad Mini (Mini 4 and later), and iPad touch (7th generation).

iOS 15.3 Update

But out of all the updates, the major bug fix is the Safari bug fix. It let the websites access the user’s databases and their information whenever working in Safari. As per the Apple report, it happened due to a bug in Webkit’s implementation of JavaScript. It also impacted Google Chrome and Firebox. Due to Apple policy, they also have to use Webkit for Apple iPhone and iPad. As this bug had impacted iPad as well, iPadOS 15.3 has also covered this bug fix.

How to upgrade to latest iOS?

To download the latest version of iOS 15.3, just go to the settings application of your iPhone or iPad (for iPadOS 15.3 upgradation). Just tap General and Software Update. Just download the update and later you can install it by following all the prompts of your device. The file size of the iOS 15.3 update is of about 1.45 GB size and will take several minutes to install.  

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