Discover the 7 Leading Phone Vibration Testers for Professionals Vibration motor too strong Fairphone 2 Fairphone Community Forum Vibration Motor Phone Lets talk about vibration motors : r Android 6mm Small Vibration Device 15mm Type Model NFP P0615 PCB Cell phones vibrate using a small motor with a weighted disc that spins quickly. As the disc moves, it creates tiny shakes that you feel as a vibration. This helps you get alerts without sound. The