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Microsoft is releasing a new firmware update for the Surface Pro 4 devices today. The latest firmware update releasing brings support for new covers which are available for devices running Latest Version of Windows 10.

Below is the Changelog of the latest Firmware Update:

Windows Update History Name Device Manager Name
Surface – Keyboard – 1.1.504.0 Surface Type Cover Filter Device

  • 1.1.504.0 enables support for new Surface Pro Type Cover and Surface Pro Signature Type Cover.


The latest firmware update also improves the reliability and compatibility for the Surface Pro 4 devices. The latest update is currently rolling out and should be available for download via Windows Update or download Manually here