To install the driver file for the MediaTek DA USB VCOM Preloader (Android) Driver follow the steps below.
You may need to do a forced install which you can learn about here: How to Force Install a Driver
In the device manager, right click on the device and go to update driver. Browse to the location of the extracted driver and select the driver and install.
Chip-sets compatible: MT6735, MT6735M, MT6737, MT6737M, MT6752, MT6753, MT6755/helio P10, Helio x10, Helio p20, helio X20, helio x25, MT6797, MT6795