Both first gen and second-gen Surface Pro X has received a humongous April firmware update with tons of improvements. Recently, Microsoft merged updates for Surface Pro X and Surface Pro X with the SQ2 processors. From now on, two ARM-based computers from Microsoft receive new unified firmware together. Despite that, this month's update is not the same for the two devices. Surface Pro X SQ2 gets significantly more patches than the original Surface Pro X. It is quite interesting, though, that Microsoft still mentions both SQ1 and SQ2 models in one of the changelogs.
Here what is new in the April firmware update for Surface Pro X SQ2.
Surface Pro X SQ2
| Device Manager Name | Version and Update |
| Qualcomm Advanced Modem Subsystem Device | 10400.1.77.3
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Adreno(TM) 680 GPU | 27.20.1460.0
Improves graphics performance, system stability, and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Bluetooth Radio Driver | 1.0.1460.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Bluetooth UART Transport Driver | 1.0.1460.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Bus Device | 1.0.1360.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Bus Device | 1.0.1440.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Data Device | 1.0.1460.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Hexagon(TM) 690 DSP | 1.0.1440.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Hexagon(TM) 690 DSP | 1.0.1440.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Location | 1.0.1380.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Memory and File System Device | 1.0.1440.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) System Manager Device | 1.0.1380.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) System Manager Device | 1.0.1440.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) System Manager Device | 1.0.1380.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Wi-Fi B/G/N/AC (2x2) | 1.0.1420.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Dock 2 Firmware Update Driver Extension | 6.1.137.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Hid Mini Driver | 3.31.139.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Pen BLE LC Adaptation Driver | 3.11.139.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Pro X CDSP Subsystem Bus Device Extension | 1.0.1160.1
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Pro X Power Engine Plug-in Device | 1.0.1380.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Pro X SPI Device | 1.0.1380.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface Serial Hub Driver | 9.54.139.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface SMF Core Driver | 3.116.139.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface System Aggregator | 1.108.139.0
Improves system stability. |
| Surface Touch Firmware | 5.0.121.139
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Surface UEFI | 7.563.140.0
Improves system stability. |
Unlike Surface Pro X SQ2, the first gen Surface Pro X has a more specific changelog with some noticeable improvements. Users get battery life improvements, network stability improvements, better charging reliability, etc. Here is the changelog:
Surface Pro X
| Device Manager Name | Version and Update |
| Qualcomm(R) Adreno(TM) 680 GPU - Display adapters | 26.18.1250.0
Improves graphics performance and stability. |
| Qualcomm(R) Bus Device | 1.0.1220.0
Improves device stability when resumes from sleep. |
| Qualcomm(R) Hexagon (TM) 690 DSP | 1.0.1260.0
Improves the Eye Contact feature and improves stability. |
| Qualcomm(R) System Manager Device | 1.0.1120.0
Addresses security updates and improves system stability. |
| Qualcomm(R) Wi-Fi B/G/N/AC (2x2) Svc - Network adapters | 1.0.1260.0
Improves Wi-Fi network stability. |
| Surface Panel - Monitor | 4.28.139.0
Improves the device color profile performance. |
| Surface Pro X Power Engine Plug-in Device | 1.0.1260.0
Optimizes power performance and stability. |
| Surface System Aggregator – Firmware | 14.309.139.0
* Improves Battery Smart Charging reliability. |
| Surface UEFI – Firmware | 3.530.140.0
Improves system stability. |
All the updates are available for Surface Pro X users with Windows 10 May 2019 Update, cersion 1903. You can download them from Windows Settings > Update and Security > Windows Update. Keep in mind that ARM-based devices, unlike those with Intel or AMD CPUs, get firmware updates as a single package.
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