Iphone 6 not connecting to I tunes accout

Discussion in 'iPhone Tips, Help and Troubleshooting' started by oparmele, Jan 2, 2017.

  1. oparmele macrumors newbie

    Joined:
    Jan 2, 2017
    #1
    My 6s not has stopped connecting to my I tunes , when I plug it in to update I get a mesage on my computer that the phone gave invalid response from devise
     
  2. loe macrumors newbie

    loe

    Joined:
    Dec 7, 2016
    Location:
    Earth
    #2
    Actually you can get the answer from official Apple support communities as follows:

    iTunes cannot connect to the iPhone because an invalid response received from the device
    This error occurs when there are problems communicating through USB. This may be resolved by following the steps for errors 13 or 14 above.

    Error 13, 14, 35 and 50 (or -50)
    These errors are typically resolved by performing one or more of the steps listed below:
    1. Perform USB isolation troubleshooting, including trying a different USB port directly on the computer. See the advanced steps below for USB troubleshooting.
    2. Put a USB 2.0 hub between the device and the computer.
    3. Try a different USB 30-pin dock-connector cable.
    4. Eliminate third-party security software conflicts.
    5. There may be third-party software installed that modifies your default packet size in Windows by inserting one or more TcpWindowSize entries into your registry. Your default packet size being set incorrectly can cause this error. Contact the manufacturer of the software that installed the packet-size modification for assistance. Or, follow this article by Microsoft: How to reset Internet Protocol (TCP/IP) to reset the packet size back to the default for Windows.
    6. Connect your computer directly to your Internet source, bypassing any routers, hubs, or switches. You may need to restart your computer and modem to get online.
    7. Try to restore from another known-good computer and network.
     

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