Update for Surface Pro 3—Surface Pro Embedded Controller Firmware


This update corrects an error that may occur on a limited number of Surface Pro 3 devices where the full charge capacity of the battery is misreported to the operating system and device firmware. This update corrects the firmware component that functions as a "fuel gauge" so that the battery capacity is accurately reported. See the Surface Pro 3 Battery FAQ for the 8/29/2016 System Firmware Update for more information. 

How to get this update

This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:

System Firmware Update - 8/29/2016


There are no prerequisites for installing this update.

Restart information

You may be prompted to restart the computer after you apply this update.

Note This update requires two restarts in order to be fully applied. 

Update replacement information

This update doesn't replace a previously released update.

File information

Surface Pro Embedded Controller Firmware (v38.10.90.0)


Learn about the terminology that Microsoft uses to describe software updates.

Article ID: 3166158 - Last Review: Aug 30, 2016 - Revision: 1