Earlier this month, Microsoft released driver and firmware updates for Surface Book to Windows Update. Yesterday, Microsoft released these updates on the Microsoft Download Center in MSI format. These updates provide improved system stability and battery reliability to Surface Book devices with Windows 10 Version 1703 (Creators Update) and above.
- Surface Embedded Controller Firmware (v90.2098.256.0) improves system stability.
- Surface Integration (v1.1.339.1) improves battery reliability.
You can snag the updates from Settings > Update and Security > Windows Update on your Surface device. Or you can download it from the Surface Book Drivers and Firmware page at the Microsoft Download Center