Hola que tal. Para borrar los Archivos del W580 puedes correr este script en el Setool Lite.

Código:
delfile:/tpa/user/music/ringtones/X-ray future.m4a
delfile:/tpa/user/music/ringtones/South side.m4a
delfile:/tpa/user/music/ringtones/I machine.m4a
delfile:/tpa/user/music/ringtones/Speeding.m4a
delfile:/tpa/user/music/ringtones/Signal.m4a
delfile:/tpa/user/music/ringtones/Jet set.m4a
delfile:/tpa/user/music/ringtones/Streetwise.m4a
delfile:/tpa/user/music/ringtones/Stay sharp.m4
delfile:/tpa/user/music/ringtones/Train.m4a
delfile:/tpa/user/music/ringtones/Dolphin.m4a
delfile:/tpa/user/music/ringtones/Studio 45.m4a
delfile:/tpa/user/music/ringtones/MusicDJ demo.mid
delfile:/tpa/user/music/ringtones/Bossabo.m4a
delfile:/tpa/user/music/ringtones/Funky.mp3
delfile:/tpa/user/music/ringtones/Warp.m4a
delfile:/tpa/user/music/videodj/Jackpot.amr
delfile:/tpa/user/music/videodj/Goal.amr
delfile:/tpa/user/music/videodj/Hey beautiful.amr
delfile:/tpa/user/music/videodj/Bless you.amr
delfile:/tpa/user/music/videodj/Stop.amr
delfile:/tpa/user/music/Sunbeamz.m4a
delfile:/tpa/user/picture/Sony Ericsson.gif
delfile:/tpa/user/picture/Orange swirl.jpg
delfile:/tpa/user/picture/Ghetto cute.jpg
delfile:/tpa/user/picture/Ding dong.gif
delfile:/tpa/user/picture/Sophisticated.jpg
delfile:/tpa/user/picture/Cruisin'.gif
delfile:/tpa/user/picture/Plug in.gif
delfile:/tpa/user/picture/Boom.gif
delfile:/tpa/user/picture/Speakers.swf
delfile:/tpa/user/picture/Vector sound.jpg
delfile:/tpa/user/video/Scratchtone.mp4
delfile:/tpa/preset/default/audio/Whoopie.m4a
delfile:/tpa/preset/default/audio/Hands off.m4a
delfile:/tpa/preset/default/image/Up rockin'.gif
delfile:/tpa/preset/default/image/Urban dynamics.jpg
delfile:/tpa/preset/default/java/MusicMate2.jar
delfile:/tpa/preset/default/java/PocketTrainer.jar
delfile:/tpa/preset/default/java/MusicMate2.jad
delfile:/tpa/preset/default/java/SIMS2.jad
delfile:/tpa/preset/default/java/SIMS2.jar
delfile:/tpa/preset/default/java/Lumines.jad
delfile:/tpa/preset/default/java/Lumines.jar
delfile:/tpa/preset/default/java/PocketTrainer.jad
delfile:/tpa/preset/default/java/WATW.jad
delfile:/tpa/preset/default/java/WATW.jar
Lo guardas como .txty listo.

Saludos!