A firmware update is available to improve the stability of Surface Pro 3 devices.
This update improves system sleep and hibernation behavior when the battery level is low.
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 – 7/21/2016
There are no prerequisites for installing this update.
You don't have to restart the computer after you apply this update.
Update replacement information
This update doesn't replace a previously released update.
Surface UEFI (v3.11.1450.0)
Learn about the terminology that Microsoft uses to describe software updates.