1. Do not pick up the data line when installing the USB driver, restart your computer, then connect the data cable, the computer will prompt to discover new hardware and automatically install ... 2. When installing MMMB, you must disconnect the network, that is Unplug the network cable, otherwise it may be installed in successful installation, you will have a mobile phone icon on your computer desktop .. 3. Do not be deceived by the USB interface when selecting the machine, and select it in Serial COM. 4. When downloading things, first save the mobile phone players to the folder in your computer, open the MMMB and open the folder, you can operate like a different directory ...