Surface Book 3 1

Surface Book 3 received Windows 11-optimized firmware update

Microsoft released another October 2021 firmware update. This time, it is the third-gen Surface Book to receive improvements and enhancements for Windows 11 alongside bug fixes and patches. Here is what is new in the October 2021 firmware update for Surface Book 3.

What is new in the October 2021 firmware update for Surface Book 3

The October 2021 firmware update for the third-gen Surface Book improves thermal management when the computer works with an external monitor. It also addresses critical security vulnerabilities (Intel Wi-Fi and Bluetooth) and enhances the overall system stability. Finally, Microsoft says the update "enables Windows 11 feature" without specifying details. It might be related to Windows 11-specific battery optimizations Surface Pro 7 recently received.

Here is the full changelog for the October 2021 firmware update for Surface Book 3:

Windows Update History Device Manager
Surface - System Management - 8.86.139.0 Surface SMF Client Driver - Surface System Management
Surface - System Management - 8.30.137.0 Surface SMF Display Client Driver - Surface System Management
Surface - Monitor - 6.81.139.0 Surface Panel - Monitor
NVIDIA - Display - 27.21.14.6259 NVIDIA GeForce GTX - Display adapters
Intel - Net - 22.60.0.6Intel - Net - 22.60.0.6 Intel(R) WiFi 6 AX201 160MHz - Network adapters
Intel - Bluetooth - 22.60.0.6 Intel(R) Wireless Bluetooth - Bluetooth
Intel Corporation – HIDClass – 2.1.0.96 Intel(R) Precise Touch Device – Human Interface Devices

You can install the update on all Surface Book 3 configurations running Windows 10 1903 (May 2019 Update) or newer. Keep in mind that you cannot uninstall firmware updates on Surface devices. As for known issues, Microsoft says the October 2021 firmware update for Surface Book 3 has none.

According to the official documentation, Microsoft plans to support Surface Book 3 until May 26, 2024, exactly four years after the launch. Note that this applies just to firmware updates as Windows 10 and 11 have dedicated lifecycle policies.

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