Surface Laptop 3 and Book 2 improve reliability with latest firmware update

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The latest firmware updates improve reliability on the Surface Laptop 3 and Surface Book 2.

Surface Laptop 3
Surface Laptop 3 (Image credit: Windows Central)

What you need to know

  • The Surface Book 2 and Surface Laptop 3 have firmware updates available.
  • The Surface Book 2's update largely focuses on improving its reliability with the Surface Dock 2.
  • The Surface Laptop 3's update improves connectivity and addresses other issues.

Microsoft's Surface Book 2 and Surface Laptop 3 have new firmware updates. The updates improve reliability in several areas across the devices. The Surface Book 2's update focuses largely on improving Surface Dock 2 reliability while the Surface Laptop 3's update fixes connectivity issues and addresses some other areas.

Here's the changelog for the Surface Book 2 and Surface Laptop 3, as outlined by the Surface update history page.

Surface Book 2

  • Surface Dock Firmware Update: 1.83.139.0 - Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves the overall stability.
  • Surface Firmware Update: 2.49.139.0 - Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves the overall stability.
  • Surface - Extension: 5.5.0.0 - Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves the overall stability.
  • Surface Integration Service Device - System: 6.83.139.0 - Improves Surface Dock 2 reliability during authentication scenarios.
  • Surface System Aggregator - Firmware: 182.2150.137.0 - Improves Battery Smart Charging reliability.

Surface Laptop 3

  • Intel Smart Sound Technology (Intel SST) OED - System devices: 10.24.00.3694 - Improves audio reliability with Netflix and Cortana apps.
  • Intel Smart Sound Technology (Intel SST) Audio Controller - System devices: 10.24.00.3694 - Improves audio reliability with Netflix and Cortana apps.
  • Intel(R) WiFi 6 AX201 160MHz - Network adapters: 21.80.2.1 - Resolves issue with WiFi connection throughput and improves stability.
  • Intel(R) Wireless Bluetooth - Bluetooth: 21.80.0.3 - Improves BT connection reliability when the device resumes from sleep.
  • Surface - Extension - 5.5.0.0: Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves the overall stability.
  • Surface Integration Service Device - System: 6.83.139.0 - Improves Surface Dock 2 reliability during authentication scenarios.
  • Surface Display - Monitors: 3.92.139.0 - Improves the device color profile performance.
  • Surface System Aggregator - Firmware: 14.109.139.0 - Improves Battery Lifespan Saver reliability.
Sean Endicott
Sean Endicott
News Writer

Sean Endicott is a News Writer at Windows Central, where he covers Windows 11, Surface hardware, Microsoft 365, AI, apps, and the broader PC ecosystem. Since joining the site in 2017, he has written well over a thousand articles across the Microsoft landscape, covering breaking news, analysis, and feature reporting.

He writes Windows Wrap, a weekly column covering the biggest stories in Windows and the PC industry, and what they mean for the platform going forward.

Before joining Windows Central full-time, Sean worked in journalism and media production after earning a First Class degree in Broadcast Journalism from Nottingham Trent University. Outside of tech, he is an award-winning American football coach based in Nottingham, England, and was named BAFCA Youth Coach of the Year in 2024.