Hi! I've an issue reported by a customer. In my flex mobile app there is a function for playing external sound obtained from a server. The issue is: the app is running, audio work fine. then, the device go in standby state. when I turn on the device, audio doesn't work. please help me :) sorry for my english! thanks federico here my code: private var soundLoading=false; private var activeSound:SoundChannel; private function handleAudio(evt:MouseEvent):void { if(!soundLoading) { var request:String="http:\\www.foo.com\test.mp3"; soundLoading=true; var s:Sound = new Sound(); s.addEventListener(ProgressEvent.PROGRESS, onLoadProgress); s.addEventListener(Event.COMPLETE, onLoadComplete); s.addEventListener(IOErrorEvent.IO_ERROR, onIOError); var req:URLRequest = new URLRequest(request); s.load(req); if(activeSound!=null) activeSound.stop(); } } //---------------------------------------------------------------------- --------------------------- private function onLoadProgress(event:ProgressEvent):void { var loadedPct:uint = Math.round(100 * (event.bytesLoaded / event.bytesTotal)); trace("The sound is " + loadedPct + "% loaded."); } //---------------------------------------------------------------------- --------------------------- private function onLoadComplete(event:Event):void { var localSound:Sound = event.target as Sound; activeSound=localSound.play(); soundLoading=false; } //---------------------------------------------------------------------- --------------------------- private function onIOError(event:IOErrorEvent):void { trace("The sound could not be loaded: " + event.text); soundLoading=false; }