help | 7 Finding and displaying contacts | Filtering contacts
7.4 Filtering contacts
You can also filter the contacts that appear in your contact list by favorites and/or availability. For example, if you have selected the contact source Colleagues and the filter Favorites you can quickly see who of your colleagues is available.
To filter your contact list by favourites  
1 Tap .
*The Favorites filter is active and all your contacts that you have set as favorites will be listed.
This filter can be applied to the different contact sources.