If you have problem of itune than please update it .
But some of people face extra problems that i have faced its like this when i connect my friend's iphone itunes work perfectly but while i try to connect it doesn't response am i being circle from bad luck .......
WAIT if you fell so than its time to catch luck
1.at first go to your control pannel or directly to device manager
2.choose problem iphone
3. just backrool / unstall the software
4. now connect your iphone and play with your luck
thank you hope u got it....
