1. To set up your voice mail, open your Phone app and swiped down from the top of the screen.
2. Then tap on Settings option.
3. On the list, tap on Voice Mail and type your voice mail access number and password. Now your friends can leave a voice mail whenever you can’t pick up your phone.
4. Now to set up speed dial, go to your list of contacts
5. Touch and hold a phone number or contact for few seconds. Select Add to Speed Dial. You’ve just added a contact to your speed dial list.