So I have configured my 4s to VIBRATE OFF.
BUT, and this happens sometimes but not every time, the phone vibrates as I plug in to power and/or PC. What's the phone trying to tell me when it vibrates at plug-in?
BUT, and this happens sometimes but not every time, the phone vibrates as I plug in to power and/or PC. What's the phone trying to tell me when it vibrates at plug-in?