This driver is not for mass storage. If you only need to transfer music or photos via a microSD card, your phone likely works as a USB mass storage device without drivers.
Once the driver is fully installed, you can use it with several flashing utilities. The most common is (also called SPD Upgrade Tool). sc6531e usb driver full
Look for "Other Devices" or an unknown "SPD" entry in Device Manager. This driver is not for mass storage
Without the correct driver installed, your Windows PC will not recognize the phone when you plug it in via USB. You will typically see an error message like "Device driver software was not successfully recognized" or the device will appear as an "Unknown Device" in Device Manager. The most common is (also called SPD Upgrade Tool)
This article provides the package, including the necessary .inf files, CDC serial drivers, and a complete installation walkthrough.