USB car charger for iphone 5s

[Jakson agustin]

Last week I have fall a problem with my usb car charger. when I connect my phone with charger then my phone show worning msg "invalied charger"

Any one have idea what I should now?

 

[Slobodan-888]

Phone experts certain voltages on the USB data lines, of those voltages are not correct it will not "recognise" the charger. The charger can be modified with a few resistors, but it is not worth the hassle.