I don't know what is going on with my phone! This just recently started happening. My phone's volume is on high, but it will only vibrate when someone calls or texts. It has been happening more than usual lately and is getting quite annoying. I have tried to pull the battery but it still seems to be happening. The only way to get it to stop vibrating and go back to normal sound is to turn it off and then back on. Then a day or two later, it will only vibrate again, even though the volume has not been tampered with. PLease help! I could not find a thread about this anywhere else