tingkuanyu@TKubunt20:/E/QCT/Tools/Ubuntu-tools$ qpm-cli --login [email protected] Password: ***** [Info] : Login is successful [Info] : Fetching product ...

to download and install your phone's USB drivers from your phone model (this may include generic Qualcomm USB drivers). Please search for your phone's model + "USB driver" or "ADB driver" on Google ...