Microsoft has released the July 2020 Firmware Update for Surface Book 2.
This update is available for all Surface Book 2 devices running Windows 10 October 2018 Update, version 1809, or greater.
Please note, Surface updates are released in stages and not every Surface will receive the update at the same time, but it’ll be delivered to all devices.
Changelog( July 09 release)
| Windows Update History Name | Device Manager Name | Version and Update |
| Surface – System – 1.83.139.0 | 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 – 2.49.139.0 | 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 | 5.5.0.0 Improves Surface Dock 2 reliability during Wake On LAN scenarios and improves the overall stability. | |
| Surface – System – 6.83.139.0 | Surface Integration Service Device – System | 6.83.139.0 Improves Surface Dock 2 reliability during authentication scenarios. |
| Surface – Firmware – 182.2150.137.0 | Surface System Aggregator – Firmware | 182.2150.137.0* Improves Battery Smart Charging reliability. |
To manually check for updates, head to Settings > Update & security > Windows Update and click check for updates.
Alternative download link
Source: Surface update history
