Question: how to set a song as your ringtone without itunes?
Answer: Select 'AUDIO RECORDER' [00:32], Tap 3 lines at top left corner. [00:37], Tap the [+] BUTTON at top right corner. [00:45], Click on the 'CIRCULAR LOOP' icon at top right corner. [01:21], Select a song from various options like 'Artists, Songs, Playlists etc.' [01:29], Hold and drag that song on the section. [01:50]