Update for the Surface Pro 4 - Embedded Controller Firmware

Applies to: Surface Pro 4


This update improves device reliability.

How to get this update

Windows Update

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

Surface driver update for Surface Embedded Controller Firmware – System – 


There are no prerequisites for installing this update.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

File information

Surface Embedded Controller Firmware – Firmware (103.1791.258.0)


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