Microsoft released firmware update for Surface Pro 3 (available for Windows 10 Creators Update version 1703 or later only) on November 7, 2018 to fix Device Manager error state and security improvements.
Surface – System – 2.0.1360.0: Improves system stability and resolve Device Manager error state.
Marvell Semiconductor, Inc. – Bluetooth – 15.68.9125.57: Marvell AVASTAR Bluetooth Radio Adapter – Bluetooth; improves system security.
Marvell Semiconductor, Inc. – Net – 15.68.9125.57: Marvell AVASTAR Wireless-AC Network Controller – Network adapters; improves system security.
This firmware update is distributed via Windows Update or downloadable from Surface Pro 3 Driver and Firmware page.
Microsoft Surface Support: Surface Pro 3 update history