hi, i had encountered a problem just of today, i updated my Z1c this mornnig at at first the my phone is connected to pc by usb, it was ok, i followed evry step of the procedure, but when it is about to update to phone, it appeared to the pc that i need to connect the usb port, i tried already 4 usb port and it always says the same. but when i tried my old phone it easily connected to my pc. please can u give any suggestion to fix my problem. thank you in advance.
