Download and install the latest version of Spreadtrum (SPD) 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.
SPD USB Drivers
SPD (Spreadtrum) USB Drivers
Windows XP,7,8,8.1, And 10.
Important for connecting your phone to PC.
Drivers is created by Spreadtrum Inc, we have just shared the drivers, as it was available for free.