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 screen warning and phone vibrating when charged from power bank, battery was empty (0%) but this didn't happen when used the adapter. : r GalaxyNote9 iPhone Won't Stop Vibrating? Here's How to Resolve the Endless Buzzing Vibit Vibrating Massage Roller: Save 40% on the deep tissue massage device Reviewed iPhone randomly vibrates? Here's how you can try to fix it How to Back Up Data From a Phone With a Broken or Black Screen Mobile Fix