How to Make Someone's Phone Ring on Silent: iPhone & Android 2026 Guide Findmykids 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 How do I switch vibrate on when my phone rings or I receive messages? I noticed my last phone had stopped try to fix the issue but nothing, I've just upgraded to Why is it so hard to have your phone vibrate for notifications, ring for calls, and not make noises? : r iphone How to put iPhone 16 on vibrate and customize your alerts iPhone 101: iPhone Not Ringing? Meet the Silent Switch! iMore