Microsoft merges support for the Surface Pro X SQ1 and SQ2 with latest update

Surface Pro X Sq2 Hero (Image credit: Daniel Rubino / Windows Central)

What you need to know

A firmware update recently rolled out for the Surface Pro X.
The update is for the Surface Pro X with an SQ2 processor.
The update "merges support for both Surface Pro X SQ1 and SQ2 devices" in several areas.

This update appears to mark a merging of support for the Surface Pro X with SQ1 and SQ2 processors in several areas. Several items in the changelog state, "Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices." This seems to imply that going forward, changes will roll out to both devices together, at least for the items mentioned.

Here's the complete changelog from Microsoft:

Swipe to scroll horizontally

Device Manager Name	Version and Update
Qualcomm Bus Device – System devices	1.0.1220.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm Hexagon 690 DSP - System devices	1.0.1260.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm Hexagon 690 DSP - System devices	1.0.1260.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm System Manager Device – System devices	1.0.1120.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm System Manager Device – System devices	1.0.1160.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm System Manager Device – System devices	1.0.1220.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm System Manager Device – System devices	1.0.1280.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm USBC UCSI Participant – System devices	2.9.139.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Qualcomm(R) Wi-Fi B/G/N/AC (2x2) Svc - Network adapters	1.0.1260.0 - Improves Wi-Fi stability.
Surface Hot Plug – System devices	3.71.139.0 - Improves system stability and addresses system bugcheck.
Surface Pro X CDSP Subsystem – Extension	1.0.1160.0 - Improves integration between system services.
Surface Pro X Power Engine Plug-in Device – System devices	1.0.1260.0 - Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices.
Surface Serial Hub Driver - System devices	9.53.139.0 - Improves system stability and addresses system bugcheck.
Surface System Telemetry Driver – System devices	2.34.137.0 - Facilitates power and thermal related data analysis.
Surface UEFI – Firmware	7.545.140.0 - Improves system stability.

There are no known issues with this firmware update. The update started rolling out last week, but we now have a changelog for it.

Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.