Apple mobile phone can be charged with usb, but the socket can not charge the processing 1, can be charged with usb, indicating that the battery can be charged normally;
2, the socket can not be charged, the charger has no output, need maintenance;
3, the charger is normal, the output line is broken or the plug is bad, check and deal with it;
4, the socket is welded or damaged, replace the socket or repair welding.