If you are owner of high end smartphone named as Blu Vivo Air and want to connect it your pc you need to download usb drivers. Below is the complete driver pack for vivo air phone and you don’t need to add hardware id in android_winusb.ini as i already added them for your convenience . With these drivers you don’t get code 28 error in windows.
Blu Vivo Air USB ADB Drivers Download Info:
This driver package for PC windows xp, windows 7 , windows 8 , 8.1 both 32 bit and 64 bit.
If you need any help ask me in comment section below.