How to get this update
This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:
Surface – Firmware – 3.11.2250.0
PrerequisitesThere are no prerequisites for installing this update.
Restart informationYou have to restart the computer after you apply this update.
Update replacement informationThis update doesn't replace a previously released update.
Surface UEFI – Firmware (v3.11.2350.0)