Download and install the latest version of Qualcomm USB Drivers it is important and required files for connecting you phone to your PC and also required during upgrading and flashing Stock ROM process.
Qualcomm USB Drivers
Qualcomm USB Drivers.
Windows 7,8,8.1 And 10.
Important for connecting your phone to PC.
Drivers is created by Qualcomm Inc, we have just shared It, as it was available for free.