Surface Pro 4 & Surface Book receive April 2016 Firmware updates

Microsoft has now released April 2016 firmware updates for Surface Pro 4 and Surface Book. The firmware updates pack lots of driver updates and performance improvements including Windows Hello, Camera, Wi-Fi and more. Check below for full detailed changelog.

Surface Pro 4 Firmware update changelog:

April 2016 updates

The following updates will be listed when you check for updates in Windows or view your Windows update history after installing the updates:

• Microsoft driver update for Surface Embedded Controller Firmware
• Microsoft driver update for Surface System Aggregator Firmware
• Microsoft driver update for Surface UEFI
• Intel Corporation driver update for Intel(R) HD Graphics 520
• Intel(R) Corporation driver update for Intel(R) Display Audio
• Intel Corporation driver update for Intel(R) AVStream Camera 2500
• Intel Corporation driver update for Intel(R) Control Logic
• Intel Corporation driver update for Intel(R) CSI2 Host Controller
• Intel driver update for Intel(R) Imaging Signal Processor 2500
• Intel Corporation driver update for Microsoft Camera Front
• Intel Corporation driver update for Microsoft Camera Rear
• Intel Corporation driver update for Microsoft IR Camera Front
• Microsoft driver update for Surface Camera Windows Hello
• Microsoft driver update for Surface CoSar
• Microsoft driver update for Surface Dock Integration
• Microsoft driver update for Surface Dock Firmware Update

Note

When Surface updates are provided via the Windows Update service, they are delivered in stages to Surface customers. As a result, not every Surface will receive the update at the same time, but the update will be delivered to all devices. If you have not received the update then please manually check Windows Update later.

• Surface Embedded Controller Firmware update (v103.1122.256.0) adjustments to system thermal tuning.
• Surface System Aggregator Firmware update (v103.1135.257.0) addresses a case where after you resume the Surface Pro 4 device from hibernation and detach the cover, the auto-rotate feature does not work.
• Surface UEFI update (v104.1121.768.0) addresses screen flickering in Microsoft Edge and other applications.
• Intel(R) HD Graphics 520 driver update (v20.19.15.4409) improves the overall stability of the graphics driver, resolves screen flickering in several popular applications, and cases where the display does not reinitialize correctly after the device resumes from sleep or hibernation.
• Intel(R) Display Audio driver update (v8.20.0.865) supports compatibility with the updated HD Graphics Family driver.
• Surface Camera drivers set (v30.10586.7035.1976) improves Windows Hello stability.
  • Intel(R) AVStream Camera 2500 driver update (v30.10586.7035.1976)
  • Intel(R) Control Logic driver update (v30.10586.7035.1976)
  • Intel(R) CSI2 Host Controller driver update (v30.10586.7035.1976)
  • Intel(R) Imaging Signal Processor 2500 driver update (v30.10586.7035.1976)
  • Microsoft Camera Front driver update (v30.10586.7035.1976)
  • Microsoft Camera Rear driver update (v30.10586.7035.1976)
  • Microsoft IR Camera Front driver update (v30.10586.7035.1976)
• Surface Camera Windows Hello driver update (v1.0.45.0) improves Windows Hello stability.
• Surface CoSAR driver update (v1.0.47.0) adds support for additional Wi-Fi signal algorithms to improve signal strength with some 5-GHz access points.
• Surface Dock Integration driver update (v1.0.6.0) improves stability and compatibility with external monitors and passive video adapters.
• Surface Dock Firmware Update driver update (v1.2.6.0) improves stability and compatibility with external monitors and passive video adapters.

Surface Book Firmware update changelog:

Note

When Surface updates are provided via the Windows Update service, they are delivered in stages to Surface customers. As a result, not every Surface will receive the update at the same time, but the update will be delivered to all devices. If you have not received the update then please manually check Windows Update later.