Today we've released a new firmware update for Surface Laptop. This update includes new firmware for Surface System Aggregator Firmware which improves battery reliability.

This update is available in MSI format from the Surface Laptop Drivers and Firmware page at the Microsoft Download Center. Click Download to download the following files:

  • SurfaceLaptop_Win10_15063_1802008_1.msi

For your reference, here is the driver version that is updated in this release and the improvement it provides:

Surface Laptop:

  • Surface System Aggregator Firmware (v135.2114.3.0) improves battery reliability.

Source: Update for Surface Laptop (28 February 2018) Surface

See also: Surface Laptop update history