PP Assistant import Ringtones/music failure Solution

You cannot import music using the PP Assistant solution:

First, we install the itunes tool on our computer and then connect the iphone device to the computer for itunes to recognize:

Second, then open the PP assistant in the computer--file--File system (user)--will "Itunes_control"--delete.

(Warm tip: Delete this file will be the iOS device in the music and phone ringtones all empty)

Restart iOS device--set iOS device to new I on itunes

OS Device--Cancel two tick auto sync items-complete.

Okay, this is set up, note that this synchronization will not affect the previous content, but the previous deletion will delete the device in the music and cell phone ringtone, but the synchronization of the back of the past.