New Surface Book 3 firmware for Windows 10 and Windows 11 - Aug. 3


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Improvements and fixes in the updates​

August 2022 updates​

August 03 release

The following update is available for Surface Book 3 devices running Windows 10 May 2020 Update, Version 20H1, or greater.

This update improves device stability and reliability when using Surface Dock 2 and Surface Pen 2.

Windows Update NameDevice Manager
Surface Firmware UpdateSurface - System - 5.50.139.0
Surface System Aggregator - FirmwareSurface - Extension - 1.69.137.0
Surface System Aggregator - FirmwareSurface - Firmware -10.409.139.0

Source: Surface Book 3 update history

Manual download: Download Surface Book 3 Drivers and Firmware from Official Microsoft Download Center
 

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