haveing a prob with my d500 its worked perfect for ages then one day the buttons stoped working. if i wack the phone hard the keypad volume comes up on the screen then sometimes the buttons work for about 20 seconds then it just keeps goin down as if your pressing the down button then no buttons work again. i took the phone apart there and everything looks ok a guy in a phone shop said it sounds like something is disconnected. anyone any ideas for me????