What you need to know
- A new firmware update is available for the Surface Book 3.
- The update improves Battery Smart Charing reliability and also improves security.
- You can grab the new update through Windows Update now.
Microsoft's Surface Book 3 has a new firmware update. The update is available for both the Surface Book 3 13.5-inch and the Surface Book 3 15-inch. As is the case with most firmware updates, this update doesn't include any new features. Instead, it includes several performance and security improvements. Some of the most significant changes include improvements to Battery Smart Charging reliability and and improvements to system stability.
Here's what's new for the Surface Book 3, as found in its release notes (opens in new tab):
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| Firmware version | Update info |
|---|---|
| Intel – SoftwareComponent - 1.61.251.0 | Addresses security updates and improves system stability. |
| Intel – System - 2031.15.0.1743 | Addresses security updates and improves system stability. |
| Intel - Extension - 1952.14.0.1470 | Addresses security updates and improves system stability. |
| Surface – HIDClass - 3.31.139.0 | Improves system stability and addresses system bugcheck. |
| Surface - System - 6.105.139.0 | Improves integration between system services and addresses system bugcheck. |
| Surface – Firmware – 13.0.1594.2 | Addresses security updates and improves system stability. |
| Surface – Firmware – 9.101.140.0 | Addresses security updates and improves system stability. |
| Surface - Firmware - 10.204.139.0 | * Improves Battery Smart Charging reliability and improves kiosk mode. |
| Surface - Extension - 1.61.137.0 | * Improves Battery Smart Charging reliability and improves kiosk mode. |
| Surface - System - 3.85.139.0 | Resolves application uninstallation issues in low power state. |
You can grab the latest updates for both the Surface Book 3 13.5-inch or Surface Book 3 15-inch through Windows Update now.
