Set System Ringtones
If you use a system ringtone we can: the iphone goes to "settings"-"sound"-"phone ring tone".
Custom ringtone Making
To be a music file for ringtones: You need to record the fragment time to be used as a ringtone.
Convert music file formats with itunes
iphone ringtones can only support the M4R format, and itunes can do this, this is mainly about using itunes music files for music file format conversion.
1. Open "itunes 11" and select "File"-"Add Files to Database" on the menu bar
2. Select the song you want to make the ringtone, click Open
3. The song will appear in the "Library" of "Music" right-click the song, select "Show Introduction"
4. Select "Option" to fill in "Start Time" and "Stop Time" (within 40 seconds),-"OK"
5. Then right click on the song and select "Create ACC version"
6. File with same filename, but within 40 seconds
7. Right-click the newly created song, select "Show in Windows Explorer", change the "M4A" format to "m4r" and select "Yes" in the pop-up window.
8. Check: In the "itunes" menu bar "edit" find "preferences" open in the "common"-"source" in front of the "ring" tick, and then "OK"
9. You can see the "Bell" in the "database" to open the "Bell", you can see if your file has been turned into ringtones
10. Then in the "Device" open "iphone" select "Ringtones", in the "Sync Ringtones" item, select "All ringtones", or "select Ringtones", and then select "Sync", you can
11. The successful synchronization of the "ringtone" will appear in the phone's "settings"-"sound"-"ringtones"-"custom" inside to use this ringtone, just select on it.