Option 1: Android settings
You have to go from the simplest, you must go to the Configuration / Settings section of your phone and in the "Sound" option, you must select "Call Tone"; There you must add the new tonos de llamada, selecting the song you want and that is inside the internal storage of your phone.
Option 2: From your music library
Players music that come pre - installed on mobile devices, allow you to simply put a song as a ringtone.
All you have to do is play the song or search for it in your cell phone's music library , select it and open the information menu that appears and click on the "Set as" option and choose the ringtone.
In some cell phones like Samsung it allows you to select highlighted fragments of the song, so you can choose the time that you like the most of the musical track.
Option 3: Through applications
There are several options in the Google Play Store that will allow you to set your favorite song as a ringtone, among the most prominent are Zedge , Audio mp3 cutter, Ringtone Maker and some others; that in addition to just choosing the song will help you make ringtones yourself, cutting different fragments of the song and use them for different contacts, placing filters, effects and you can customize them.
