1. To add a speed dial number, from the Start screen, tap the Phone tile.
   
2. Tap Speed dial, then tap the Plus icon.
   
3. Scroll to, then tap the Desired contact. If a contact contains more than one phone number, tap the desired number.
   
4. To call a Speed dial contact, from the Speed dial tab, tap the Desired speed dial contact.
   
5. To remove a contact from speed dial, touch and hold the Desired contact, then tap Delete.