do you have documentation for this September 21 release? As of 9/24
https://support.microsoft.com/en-us/help/4023489 only lists as of September 14.
Windows Update History Name
Device Manager Name
Surface – Biometric – 2.2.11.0
Surface Fingerprint Sensor – Biometric device
•2.2.11.0 Enables support for Surface Pro Type Cover and the Surface Pro
Signature Type Covers.
Surface – HID – 1.0.173.1
Surface PTP Filter - HID
•1.0.173.1 Enables support for Surface Pro Type Cover and the Surface Pro
Signature Type Covers.
Surface – HID – 1.0.2.0
Surface Pro Type Cover Integration - HID
•1.0.2.0 Enables support for Surface Pro Type Cover and the Surface Pro
Signature Type Covers.
Surface – System – 3.0.0.0
Surface Smart Cover Backlight – System device
•3.0.0.0 Enables support for Surface Pro Type Cover and the Surface Pro
Signature Type Covers.
or are you looking at
https://blogs.technet.microsoft.com/surface/2017/09/21/updates-for-surface-pro-4-20-sep-2017/
which was not published until September 21 and actually lists the same September
14 bits?
Surface Pro 4:
•Surface Smart Cover Backlight v3.0.0.0 enables support for Surface Pro Type
Cover and Surface Pro Signature Type Covers.
•Surface PTP Filter v1.0.173.1 Enables support for Surface Pro Type Cover and
the Surface Pro Signature Type Covers.
•Surface Fingerprint Sensor Driver v2.2.11.0 enables support for Surface Pro
Type Cover and Surface Pro Signature Type Covers.
•Surface Pro Type Cover Integration v1.0.2.0 enables support for Surface Pro
Type Cover and Surface Pro Signature Type Covers.
>>We have a new update for Surface Pro 4 drivers and firmware that was just released last September 21, 2017