"Search for a Contact
Know the first or last name? Search and hit your target in just a few keypresses.

1. Go to the Today screen (if you're not already there, press Phone/Send ).
2. Start typing either the first or last name of the person.
3. You'll see a list of names appear. With each letter you type, the list narrows. Usually, you'll only need to type about three letters before the list becomes manageable. "

This is in their knowledge base and from memory does work differently from former Palm PDAs.