iPhone Screen Black But Still On: Causes And Fixes How to fix an iPhone with a black screen that still vibrates and connects to other devices? If your iPhone screen is completely black but the phone still vibrates, makes sounds, or shows other signs of life, you're likely dealing with a failed OLED display. In this video, I Android Incoming calls don't use system ringer or vibration Google Voice Community If your iPhone screen is completely black but the phone still vibrates, makes sounds, or shows other signs of life, you're likely dealing with a failed OLED display. In this video, I