Why is My Left Foot Vibrating? Halos of Hope Finding your inner light I have a problem: when my phone is set to vibrate only and someone calls me while it's in my pocket, the vibrations simply fade out. Because of that, sometimes I don't Here's Why You Hear Your Phone BuzzEven Though It Actually Hasn't Observer Why Your Phone Vibrates but Doesn't Ring on Incoming Calls iGenius Phone Repair iGenius Phone Repair Did you ever feel a buzz, like your phone is ringing? But when you are checking your phone there is no message at all.. This is called the Phantom vibration syndrome. Has anyone experienced a vibrating upper left leg?