Firmware Update


Microsoft Surface Pro X is receiving a new firmware update. This update is available for Surface Pro X devices running Windows 10 May 2019 Update, version 1903, or greater.

Surface Pro X Firmware Update – Changelog (Sep 2020)

Windows Update History NameDevice Manager NameVersion and Update
Microsoft Corporation – System Hardware UpdateQualcomm Advanced Modem Subsystem Device10400.1.77.0
Enables Mobile Operator self registration.
 Qualcomm(R) Bluetooth Radio Driver – Bluetooth1.0.1080.0
Improves BT connection reliability when the device resumes from sleep.
 Qualcomm(R) Bluetooth UART Transport Driver – Bluetooth1.0.1080.0
Improves BT connection reliability when the device resumes from sleep.
 Qualcomm(R) System Manager Device Extension10400.1.77.0
Enables Mobile Operator self registration.
 Qualcomm(R) Wi-Fi B/G/N/AC (2×2) Svc – Network adapters1.0.1080.0
Improves Wi-Fi connection reliability when the device resumes from sleep.
 Snapdragon (TM) X24 LTE Modem – Network adapters1.0.1180.0
Enables Mobile Operator self registration.
 Surface Hot Plug – System devices3.71.139.0
Improves system stability, and addresses issues related to system bugcheck.
 Surface Light Sensor – System devices1.37.139.0
Addresses issues related to system bugcheck.
 Surface Pro X Wi-Fi B/G/N/AC (2×2) Svc – Network adapters10400.1.22.0
Improves Wi-Fi connection reliability when the device resumes from sleep.
 Surface Touch Pen Processor – Human Interface Devices4.212.137.0
Improves pen inking when palm is also on the screen.
 Surface UEFI – Firmware3.527.140.0
Improves system stability, and addresses issues related to system bugcheck.
 Surface Dock 2 Firmware Update Driver Extension5.5.0.0
Enables Surface Dock 2 update.

Notes

  • Firmware updates can’t be uninstalled or reverted to an earlier version.
  • When you install the latest update, you’ll also get all the previous updates if your Surface doesn’t have them already. Only updates that apply to Surface will be downloaded and installed.
  • After the updates are installed, restart your device to complete the installation process. To restart your device, select the Start button, and then select Power Restart.