title: How to fix itunes could not connect to the iphone because an invalid response was received from the device?
body: <p>I have jailbroken device using Absinthe, 2 days back I removed the jailbreak.
  Now I am not able to connect my iPhone 4 to iTunes. It says "<code>iTunes could not connect to the iPhone because an invalid response was received from the device</code>".<br>
  I have tried it on another system and also changed the cable.
  Problem is as it is. Anybody please help me? Now I am not able to sync it.. :(</p>