My how the USB?
Users questions: Brought my USB connected cell phone, before the use of perfectly good, but when I go back after a period of time can not be used, I re-installed the system or the old kind. Every time the data line connected to the tips would have shown, data lines and interface, no problem, even on my cell phone still prompted, please help out the ! (I use Amoi A668 cell phone)
Experts answer: is not recognized, try another USB interface to connect to the host or the back of the USB, because USB port power supply shortage will occur when such a problem