ok, so i just got the LG cosmos phone a few weeks ago. i haven't dropped it or anything, i have treated it well. but, whenever i set my volume to "vibrate only", the phone doesn't vibrate. it acts as if its on silent. i have gone into tools and turned vibrate on, but it still doesn't work. if anyone else has this problem and/or knows how to fix it, it would be greatly appreciated, as vibrate is the setting i use the most. please help!!! thanks!!! 
