Microsoft Surface Pro X picks up May firmware update, lets 'Your Phone' now make phone calls

Galaxy Z Flip Surfaceprox
Galaxy Z Flip Surfaceprox (Image credit: Daniel Rubino/Windows Central)

What you need to know

  • A new firmware update is available for the Surface Pro X.
  • The update improves usability and performance.
  • Microsoft Your Phone can now make and take calls through Surface Pro X.

Microsoft's Surface Pro X has a lot going for it, but one overlooked area where it was lagging is Your Phone support. As we reported in March, Surface Pro X was unable to make or take calls through Your Phone without it being garbled and incomprehensible. That promised fix now appears to be available.

A new "hardware update" is rolling out through Windows Update for Surface Pro X. Our test machine is on the Windows Insider Release Preview, so it could mean this update is not rolling out for production yet (indeed, there are no notes on Microsoft's update tracker).

The new firmware, which is referred to as "System Hardware Update – 5/14/2020", refreshes the following on Surface Pro X:

  • UEFI: 3.462.140.0 goes to 3.477.140.0
  • SAM: 14.58.139.0 goes to 14.105.139.0
  • Wi-Fi Driver: 1.0.860.0 goes to 1.0.1020.0

Likewise, Your Phone updated to version 1.20051.88.0 and, when combined with new firmware, allowed us to make calls clearly through Surface Pro X (we tried yesterday without much success).

It's likely those updates also address other bugs, or bring further refinements to Surface Pro X, but we'll have to wait until Microsoft gives details to know more.

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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.