Hi i have had an iphone 4s for a few months and everything was fine but recently when i try to connect to itunes to download new songs itunes isn't picking up my iphone but when i plug it in it starts charging so its not the port, computer, or cord.
Check these support documents. They are computer OS dependent.
OS X: http://support.apple.com/kb/TS1591
I already have i have tried plugging it in into 4 different computers 3 macs and 2 windows and it is the same problem.
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