If you're getting the infamous "Waiting for changes to be applied" stuck in iTunes for iOS 7 Beta 5 & 6, after 11 fun days of trying to figure out the problem I've figured it out. 1) Close iTunes, unplug your device and reboot the computer. 2) On your iDevice, connect to your Wifi network & leave it on and reboot it too. Now plug your iDevice back to the computer. *If you have any voice mails, delete them first* discovered by Ravi811* 3) Everything will sync and the problem goes away. I've noticed I had 28 pics that didn't sync over the first time, that's why it was "waiting for the changes"