Ericsson Z550i(Z550 series,W550,etc)

From Ringtone Wiki

1. Save the mp3 tone in the pc or laptop from the site
2. Save the tone with the name you like(ex: rcp-ring.mp3)
3. Select bluetooth option which is located in ur pc or laptop
4. Right click on the file,
5. Select “file name(ex:ring.mp3)”
6. Select “send to phone"
7. Select “ur phone model"(ex: Z550i)
8. Select “send"
9. Select “tone will be received in the phone"
10. Select "play the tone"
11. Selected tone(ring.mp3)will be played.