This update adds support for an upcoming product release.
How to get this update
This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:
Microsoft driver update for Surface Embedded Controller Firmware
There are no prerequisites for installing this update.
You may be prompted to restart the computer after you apply this update.
Update replacement information
This update doesn't replace a previously released update.
Surface Embedded Controller Firmware (v90.1277.256.0)
Learn about the terminology that Microsoft uses to describe software updates.