: The device must be in EDL mode (recognized as "Qualcomm HS-USB QDLoader 9008") to accept commands .
Appendix B — Common CLI operations (conceptual) qualcomm flash loader v10 work download
Understanding the Qualcomm Flash Loader v10: A Guide to Firmware Download and Recovery : The device must be in EDL mode
cd C:\QFIL_v10\bin qfil.exe --port=\\.\COM3 --programmer=prog_firehose.mbn --rawprogram=rawprogram0.xml --patch=patch0.xml qualcomm flash loader v10 work download