Solution 4: check the USB connection
Connection with your computer can be damaged. Please complete the following checks to enable the proper connection. Test the process at every step.
- Verify that the cable connections at both ends firmly. To be sure, disconnect the cable from the first computer and reinsert. Then unplug the cable from your iPhone or other iOS devices and reconnect.
- Disable third-party batteries.
- Connect the USB cable directly to the port of the device.
- If you find any 30-pin cable or a USB hub connected to the lightning, keyboard, or display, unplug and plug it into the USB port of your computer directly.
- If there is an application virtualization runs like VMware or Parallels, disabling them. This can interfere with your communications via the USB port, especially if they are not up to date or not properly configured. If the method works, soon completed the renewal application.
- Restart the computer.
- Restart the iPhone or other iOS devices.
- If iTunes error 9 (iPhone error 9) or iPhone 9006 error still persists, see if there are any software updates that are necessary. For example, update might be because OS X on a Mac or you can download the latest version of iTunes.
- If a Windows-based computer that is being used, verify that the USB card or update Your computer‘s firmware is required. This can be downloaded from the website of the manufacturer.
- Finally, connect Your iPhone or iOS device to another computer.