Circle-throw vibrating machine - Wikipedia
Solution 2: Turn vibration off. From the home screen, tap Settings, then Sounds. Tap the switch for Vibrate on Silent to disable the feature when the phone is in silent mode. If you want to turn off all vibrations on your iPhone, please go to General > Accessibility section. Then, tap on Vibration and flip the Vibration switch to the OFF position.Screen is black, but the phone is on. Hey, So my iPhone 6 suddenly turned black, the phone is on, i can hear the sounds when i for example enter my PIN, and i can feel the vibrate when i use the vibrate button.