The code refers to a specific version of the Qualcomm Product Support Tool , which is used by technicians to interface with, flash, and configure mobile devices using Qualcomm chipsets.
This acts as the central dashboard. It manages the COM ports connected to the device, allowing the user to monitor the status of the connection and launch other tools within the suite. qpst 274961 full
(QPST), a specialized Windows software suite used to interface with and service devices powered by Qualcomm chipsets. Overview of QPST 2.7.496.1 QPST 2
Qualcomm drivers are not Microsoft-signed. Without this step, Windows will refuse to install the EDL 9008 driver. qpst 274961 full