How to Fix iTunes Invalid Response Error
iTunes sync issue after updating to new iOS 10 or getting a new iPhone 7/7 Plus. The error says: "iTunes could not connect to the iPhone because an invalid response was received form the device.” No matter you receive the iTunes invalid response from iPhone 6/7 or iPad, in this guide, we will show you some potential solutions to fix this problem – iTunes could not connect to iPhone/iPad because an invalid response.
How to Fix: iTunes Cloud Not Connect to iPhone iPad Becasue Invalid Response Was Receive From Devices
1. Update your iTunes to the latest version (iTunes 12.5.3). Sometimes iTunes update doesn’t work, you can visit this page to download the current.
2. Uninstalling and reinstalling iTunes. This method works for most users. To completely uninstalling iTunes, you can refer to this tutorial.
Note: you can take a copy of your iTunes backup (Read this post to find iTunes backup location). You can also take a backup copy of your iTunes library by taking a copy of the files in your My Music\iTunes folder (iTunes Music Library.xml, iTunes Library.itl etc) before re-installing.
The solutions above should fix this iTunes invalid response problem, if the error still persists you can try below solutions:
1. Try a different USB/lightning cable or a different USB port.
2. Reboot your iPhone and your computer.
3. Ensure your iPhone wasn't locked when connecting. Unlock it with passcode or Touch ID.
4. Try a reset on iPhone. Press and hold both the sleep and home button at the same time 5. until the apple logo appears.
5. Try resetting your network settings. Settings > General > Reset > Reset Network Settings.
6. Try resetting your lockdown folder. Follow the steps to "Reset the Lockdown Folder".