QPST or Qualcomm Flash tool for Windows

QPST Flash Tool (Qualcomm Product Support Tools) is an application that allows you to flash stock firmware on Qualcomm smartphones and tablet devices. This tool will enable you to install the latest software packages on your device. Currently, most of the Android devices come with Qualcomm chipset. The Qualcomm Flash Tool can directly download and flash the latest stock firmware to a Qualcomm chipset powered device.