| iphone 4 usb not working
iphone 4 after plugged to car charger dead
i change pmic phone working and charge ok but usb cable not
jumper q2 check l4 and l3 replace l2_pmu check l1 replace u6 replace s1 replace q1 and q3 but phone not answer to usb cable just when turning on the phone on apple logo connect usb pc show usb not regonized |