How to Fix iPhone Black Screen But Still Works 2025 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 Keeps Vibrating & Won't Turn On? 5 Ways to Fix [DIY] 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