Apple debuted customizable iPhone vibration patterns with iOS 5. It lets you create your own vibration pattern and assign it to a contact or alert. It’s easy to do and more useful than you might think.
For example, assign your custom pattern to important contacts, so you know if you should bother to look at your phone during a meeting or other important activity. Or, get really creative and use a little morse code to spell out your wife’s name, for example, or “GOD NO” if it’s your in-laws. I like to use a brief vibration followed by a long pause, giving me time to get to my phone. Custom vibrations let me create that exact pattern. Here’s how to create a custom iPhone vibration pattern and assign it to a contact.