Question: how to make a theme song your ringtone?
Answer: Step 1: Move the Song to your Phone. If you want to create a ringtone, your first step will of course be getting the audio file onto your Android device. ... 
Step 2: Get Your Apps. Some songs are ready-made to be used as ringtones. ... 
Step 3: Trim your Ringtone. ... 
Step 4: Apply Ringtone.