Syncing Ringtone with Itunes?

Hi everybody…
I have a problem… Well I have 2 different Iphones, I'm trying to get ringtones from my Itunes "tones" that I already downloaded, for the first Iphone easily I syncing my ringtones and there's no problem but for the second Iphone I can't get any ringtones from the same Itune store and same songs, I mean does not syncing the same ringtones, how can I fix this or what's the problem

There's a solution to create iPhone ringtones. Then there's no need to download ringtones.
How to Create iPhone Ringtones with iTunes on Mac: http://m4ptomp3.tuneclone.com/how-to-create-iphone-ringtones-with-itunes-on-mac.html