Surface Book 3 firmware update focuses on security and Battery Smart Charging

Both devices should see smoother performance after the updates.

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What you need to know

Microsoft’sSurface Book 3has a new firmware update. The update is available for both the Surface Book 3 13.5-inch and the Surface Book 3 15-inch. As is the case with most firmware updates, this update doesn’t include any new features. Instead, it includes several performance and security improvements. Some of the most significant changes include improvements to Battery Smart Charging reliability and and improvements to system stability.

Here’s what’s new for the Surface Book 3, as found in itsrelease notes:

You can grab the latest updates for both the Surface Book 3 13.5-inch or Surface Book 3 15-inch through Windows Update now.

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Sean Endicott is a tech journalist at Windows Central, specializing in Windows, Microsoft software, AI, and PCs. He’s covered major launches, from Windows 10 and 11 to the rise of AI tools like ChatGPT. Sean’s journey began with the Lumia 740, leading to strong ties with app developers. Outside writing, he coaches American football, utilizing Microsoft services to manage his team. He studied broadcast journalism at Nottingham Trent University and is active on X @SeanEndicott_ and Threads @sean_endicott_.