Microsoft is now rolling out firmware updates for its Surface Book 2 and Surface Pro X to patch security vulnerabilities, improve the overall experience, and resolve issues.

The update for Surface Book 2 is dated August 14, and it improves Windows Hello experience and fixes processor throttling. The firmware for Surface Pro X addresses security, improves system stability, and enables the Eye Contact feature. Both updates are available for devices running Windows 10 version 1903 or higher.

Surface Book 2 firmware update

The following improvements are available for Surface Book 2:

  • Intel AVStream Camera 2500 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel Control Logic 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel CSI2 Host Controller 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel Imaging Signal Processor 2500 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel Microsoft Camera Front 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel Microsoft Camera IR 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Intel Microsoft Camera Rear 30.18305.6.12414: Improves the Windows Hello camera experience and resolves stability issues.
  • Surface UEFI Capsule 390.3279.768.0: Resolves an issue where the CPU will throttle down to .4GHz, and improves the Battery Smart Charging reliability.

Surface Pro X firmware update

The following improvements are available for Surface Pro X:

  • Qualcomm System Manager Device 1.0.1080.0000: Addresses security updates and improves system stability.
  • Surface UEFI 3.517.140.0: Enables the Eye Contact feature, addresses security updates, and addresses display scale issues.
  • Qualcomm Hexagon 690 DSP 1.0.1130.0000: Enables the Eye Contact feature.
  • Qualcomm Power Management 1.0.0980.0000: Enables the Eye Contact feature.
  • Qualcomm Spectra 390 ISP 1.0.1120.0000: Enables the Eye Contact feature.
  • Qualcomm System Manager Device 1.0.1120.0000: Enables the Eye Contact feature.
  • Surface Camera AVStream Mini Driver 1.0.1120.2: Enables the Eye Contact feature.
  • Surface Camera Front Sensor Driver Extension 1.0.1120.2: Enables the Eye Contact feature.
  • Surface Camera Rear Sensor Driver Extension 1.0.1120.2: Enables the Eye Contact feature.
  • Surface Pro X CDSP Subsystem Bus Device Extension 1.0.1160.0000: Enables the Eye Contact feature.
  • Surface Pro X Power Engine Plug-in Device 1.0.1130.0000: Enables the Eye Contact feature.
  • Surface Camera Aux Sensor Driver Extension 1.0.1120.2: Enables the Eye Contact feature and resolves the Camera App crash.
  • Surface Integration Service Device  6.83.139.0: Improves the Power status UI.
  • Surface SMF 11.2.0.1: Improves device stability and performance.
  • Qualcomm Hexagon 690 DSP 1.0.1130.0000: Resolves blue screen error state.
  • Qualcomm Adreno 680 GPU 26.18.1180.0000: Resolves Edge performance scenario.
  • Surface Pro X Sensors Subsystem Bus Device Extension 1.0.710.2: Detection sensor improvement.

Surface Pro 7 firmware update

In addition, the company also recently released a firmware update for its Surface Pro 7. The update is dated July 31, and it includes these changes:

  • Intel Wi-Fi 6 AX201 160MHz – Network adapters 21.80.2.1: Improves power efficiency when waking from sleep.
  • Intel Smart Sound Technology (Intel SST) Audio Controller – System devices 10.24.00.3694: Improves power efficiency when waking from sleep and improves the Cortana experience.
  • Intel Smart Sound Technology (Intel SST) OED – System devices 10.24.00.3694: Improves power efficiency when waking from sleep and improves the Cortana experience.
  • Intel Wireless Bluetooth – Bluetooth 21.80.0.3: Versioning update to align RF channels.
  • Surface – Extension – 5.5.0.0: Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves overall stability.
  • Surface Integration Service Device – System devices 6.83.139.0: Improves Surface Dock 2 reliability during authentication scenarios.
  • Surface System Aggregator – Firmware 14.104.139.0: Improves device reliability during low battery scenarios.

The update should download and install automatically, but if you have not received it, then you get it from Settings > Update & Security > Windows Update and try to force the download manually.