my self and lots of other people have bought this phone and had problem connecting it to the pc via usb because of driver problem so here is what you do
download this
hotfile.com/dl/93451706/a4303f6/SUTLR_v1.7.0.zip.html
copy all the files to the desktop make shore your phone is turned on and connected to the pc then open setup then follow the setup then it should install the drivers after that go to your phone then make shore you on the phones desktop and then press the button on the phone that looks like a triangle and then click turn on usb storage and then the phone will connect to the pc
enjoy
download this
hotfile.com/dl/93451706/a4303f6/SUTLR_v1.7.0.zip.html
copy all the files to the desktop make shore your phone is turned on and connected to the pc then open setup then follow the setup then it should install the drivers after that go to your phone then make shore you on the phones desktop and then press the button on the phone that looks like a triangle and then click turn on usb storage and then the phone will connect to the pc
enjoy