USB no connection

Candycars

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Oct 27, 2012
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I have a jvc car stereo with a usb, when I plug in to the bottom of my phone it tries connecting but then says no connection. I tried it on my friends head unit usb as well with the same problem. He has a gs3 too which works fine when he plugs in to both head units. I appreciate any help.
 

GSDer

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Jan 30, 2011
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Only thing I can think of is, go to Settings -> Developer options and uncheck (or check, whatever is the opposite of the current selection) USB debugging.
Does your phone work normally with USB on a computer?

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