To access speed dial settings, from the phone app, tap the More icon.
Tap Speed dial.
Tap the Plus icon next to the desired number you would like to assign a number. Note: "1" is reserved for Voicemail.
Scroll to and then tap the Desired contact you wish to link to the assigned number.
To delete a speed dial number, tap the X icon next to the assigned contact.
To place a speed dial call from the dial pad, press and hold the Number assigned to the desired contact. Note: To call a multi-digit speed dial number, dial the number and touch and hold the final digit.