Improved storage stability in the latest Surface Book 3 firmware

Microsoft has released a new firmware for the third generation Surface Book 3, announced in May 2020. Like most firmware updates for Surface devices, the April 2022 update for Surface Book 3 contains internal updates only. According to the official changelog, this release improves the overall stability of the vault.


Important. Unlike Windows updates, you can’t uninstall Surface firmware updates. Therefore, before installing the new version, we recommend that you check the list of known issues and additional notes.


What’s new in April 2022 firmware for Surface Book 3?

  • This update improves system storage stability.
Windows Update Name Device manager name
Surface firmware – 6.40.139.0 Surface Storage Firmware Update – Firmware

You can install the latest firmware on all Surface Book 3 variants running Windows 10 version 1903 (May 2019 Update) and later. It’s available through Windows Update or the official Surface Support website .

Microsoft plans to provide Surface Book 3 owners with firmware updates by May 26, 2024. Please note that this does not apply to Windows updates, and your Surface device may continue to receive Windows updates and new features even after end of life.

Here are the other Surface devices that received the April 2022 firmware update:

  • Surface Laptop Studio is a stable channel.
  • Surface Laptop Studio – For Windows Insiders.
  • Surface transition 3.
  • Surface Duo and Surface Duo 2.

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