1. From the Start screen, tap the Phone tile.
   
2. Swipe to speed dial.
   
3. Tap the Add icon.
   
4. Scroll to, then tap the desired contact.
   
5. Tap the desired phone number, if prompted.
   
6. Tap the desired speed dial entry to call. To edit, touch and hold the speed dial entry.
   
7. Tap the Trash icon to delete the entry.