Microsoft pushes out new Surface UEFI and Firmware October updates

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Microsoft is releasing new firmware updates for the Surface Book (and presumably Surface Pro 4) starting today on October 27. We checked two of our machines – one on Release Preview, the other on Fast Ring – for the updates and both are receiving an assortment of firmware and driver updates.

Here is what we have spotted when checking Windows Update:

  • Driver update for Marvel AVASTAR Bluetooth Radio Adapter
  • Driver update for Surface DTX (Surface Book only)
  • Driver update for Surface System Aggregator Firmware
  • Driver update for Surface Embedded Controller Firmware
  • Driver update for Surface UEFI

Some of these changes may be general fixes and improvements, while others may be related to current or forthcoming changes in Windows 10 including Redstone 2 aka "Creators Update" due early next year.

This is the first batch of firmware and driver updates since the end of August.

Microsoft has not posted the changelog just yet, but they usually do in the following 24 to 36 hours, and we'll run a second article once that happens with more details.

Daniel Rubino
Daniel Rubino
Editor-in-chief

Daniel Rubino is the Editor-in-chief of Windows Central. He is also the head reviewer, podcast co-host, and analyst. He has been covering Microsoft since 2007, when this site was called WMExperts (and later Windows Phone Central). His interests include Windows, laptops, next-gen computing, and watches. He has been reviewing laptops since 2015 and is particularly fond of 2-in-1 convertibles, ARM processors, new form factors, and thin-and-light PCs. Before all this tech stuff, he worked on a Ph.D. in linguistics, watched people sleep (for medical purposes!), and ran the projectors at movie theaters because it was fun.