FALSH CABLE For  XIAOMI HAVE BIG STOCK NOW !!!!!!!!What is deep flash ? The fault equipment can enter FASTBoot mode  through the volume down key and the power button combinations  and  the driver can be recognized  normally. But for the fault equipment wich  has damaged deeply in the system and unable to properly identify the port,the deep flash will be needed, . 1. take out the battery of the fault equipment 2. connect computers by usb cables 3.conduct  the deep flash point by metal tools, 4.force the underlying driver of the chip to work,  so that computer can identify the USB port.