Qualcomm-smartphone-write-imei-tool-v1.01.zip [verified] -

The most comprehensive and publicly available guide for this tool comes from the XDA-Developers forums. Here are the summarized steps based on that resource:

adb shell su setprop sys.usb.config diag,adb qualcomm-smartphone-write-imei-tool-v1.01.zip

Installing the appropriate Qualcomm USB Drivers to ensure the device is recognized in Diag Mode. The most comprehensive and publicly available guide for