i had dust in the ear part of my LG rumor touch and i put compressed air in there to get it out and some spray stuff came out and got in the ear part. now when i make phone calls i hear a buzzing noise and it really annoying me ad i dont know how to get rid of it. i called up my cell phone company and they dont know what it is. a first i didnt tink it was the compressed air spray bu now i think it might be. HELP!