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The Fiesta 2 features a microSD memory card reader. If your personal computer can also read that type of card (Most notebooks are so-equipped), you should be able to save music files
The LG Fiesta 2 is an Android phone and there are plenty of free ringtone apps such as MP3 Cutter, Zedge and more.
Here are links to some of the free ringtones (LG Fiesta 2-compatible) offered here at MartinsRingtones.com:
Free Horror MIDI Ringtones Free Tropical Ringtones Free Ringtones-a-gogo Free Techno Ringtones Listen To All Our Free Polyphonic Ringtones