To properly connect your phone after downloading the software from the Official vivo Site :
The URL http://zs.vivoglobal.com/download.php?sel-type=4 is a specific download link used by for its official device management software and firmware updates. On vivo's global support platform, different sel-type parameters point to different tools; for example, sel-type=12 is the Mac OS MTP management tool, while sel-type=4 typically maps to the vivo Mobile Assistant or specific firmware installation packages for Windows. Understanding vivo Mobile Assistant http- zs.vivoglobal.com download.php sel-type 4