The first and the second generation of Surface Pro X received a unified firmware update. A bunch of fresh updates did not bring significant changes, but they improve overall system stability, Wi-Fi reliability, and address various causes for bugchecks. Interestingly, Microsoft uses a single update for both Surface Pro X generations, likely due to the little difference between the two.
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In fact, a slightly better CPU is the only difference between Surface Pro X SQ1 and Surface Pro X SQ2. The latter offers just a bit higher clock speeds, with the rest of the specs remain unchanged. With such a minor update, Microsoft did not even bother to change the name of a device. The company named the newest model just Surface Pro X SQ2.
Surface Pro X is the first modern ARM-based Surface. It runs on a slightly modified Qualcomm Snapdragon 8cx CPU (the official name is Microsoft SQ1 and SQ2 with improved clock speeds) with passive cooling. In contrast to Surface RT and Surface RT 2, Surface Pro X can work with traditional x86-apps through a special emulation layer. On top of that, you get a stylish device look with a slimmer body and bezels.
Now, let’s see what is new in the latest update for Surface Pro X SQ1 and Surface Pro X SQ2
What is new in Surface Pro X SQ1 and Surface Pro X SQ2 firmware update
| Device Manager Name | Version and Update |
| Qualcomm(R) Bus Device – System devices | 1.0.1220.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Hexagon(TM) 690 DSP - System devices | 1.0.1260.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) Hexagon(TM) 690 DSP - System devices | 1.0.1260.0
Improves system stability and merges support for both Surface Pro X SQ1 and SQ2 devices. |
| Qualcomm(R) 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(R) 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(R) 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(R) 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(R) 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. |
It is worth mentioning that in contrast to Surface Pro 7 or any other Surface with an x86-based CPU, Surface Pro X receives updates as a single package. In other words, you will see only one update available in the Settings.
Microsoft says there are no known issues with the latest updates for Surface Pro X SQ1 and Surface Pro X SQ2, so it should be safe to install right away.
Two generations of Surface Pro X are not the only devices that received fresh firmware updates this month. A couple of days ago, Microsoft rolled out an update for Surface Laptop 3, Surface Pro 7, Surface Studio 2, and Surface Duo. You can find all the details about Surface update history in the official documentation from Microsoft.
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