02-03-2017, 08:39 PM
Kraniac wrote:
iTunes shows mw an "invalid response' message.
This might be a version mismatch between the phone's iOS version and the Mac's iTunes version. Trying to correct this can lead to a version mismatch between the iTunes version and the Mac OS version on the Mac. Trying to correct that can lead to a version mismatch between the Mac OS version needed by the required iTunes and the age of the Mac hardware.
Did you "upgrade" something recently, like the iOS version on the phone?