Phone Screen Black: Causes, Fixes, and How to Solve It Lagenio Store 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 Phone Repair Guru If your iPhone screen is completely black but the phone still vibrates, makes sounds, or shows other signs of life, you're likely dealing Instagram Phone vibrates but screen is black? Don't bin it it's usually a dead screen, not a dead phone. Would you try to fix it or just upgrade?