Used to backup or restore the xQCN files, which contain your phone’s critical radio and network calibration data. When Should You Use It?
Perhaps the most famous tool in the suite, used to flash stock firmware (MBN or ELF files) onto devices in EDL (Emergency Download) mode. qpst27496
Understanding QPST 2.7.496: The Go-To Tool for Qualcomm Device Configuration Used to backup or restore the xQCN files,
Flashing official factory images when OTA (Over-the-Air) updates fail. How to Install and Set Up qpst27496