I have downloaded Funny Sms Tones from Android Marked!! I have set a tone to notification, but it is always my previous tone that is "biiping"!! I have tried several times, with severeal tones, but its always my original tone that "biips"!! How do i do this, and what am I doing wrong!! I have Sony Ericsson Xperia X10 by the way!!! Please help me!!!