Microsoft rolls out fresh firmware updates for Surface Pro 4 and Surface Book

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Microsoft is rolling out its second batch of firmware updates for the Surface Book and Surface Pro 4 this month. According to the release notes posted to the Surface Update History page, the updates are only available for Surfaces with the Creators Update installed, and they include fixes for video playback and Cortana speech recognition.

Here's a look at what's new for each Surface:

Surface Pro 4:

  • Intel(R) Smart Sound Technology(Intel(R) SST) Audio Controller in System devices - 09.21.00.2102 improve video playback on installed apps while offline.
  • Intel(R) Smart Sound Technology (Intel(R) SST) OED in System devices - 09.21.00.2102 improve video playback on installed apps while offline.

Surface Book:

  • Realtek High Definition Audio(SST) in Sound, video, and gc's - 6.0.1.7895 improves Cortana speech recognition.
  • Intel(R) Smart Sound Technology(Intel(R) SST) Audio Controller in System devices - 09.21.00.2102 improve video playback on installed apps while offline.
  • Intel(R) Smart Sound Technology (Intel(R) SST) OED in System devices - 09.21.00.2102 improve video playback on installed apps while offline.

If you own a Surface Book or Pro 4 and have the Creators Update installed already, you should be able to grab these firmware releases via Windows Update now.

Dan Thorp-Lancaster
Dan Thorp-Lancaster

Dan Thorp-Lancaster is the former Editor-in-Chief of Windows Central. He began working with Windows Central, Android Central, and iMore as a news writer in 2014 and is obsessed with tech of all sorts. You can follow Dan on Twitter @DthorpL and Instagram @heyitsdtl.