1. To turn call waiting on, from the home screen, tap the Phone icon.
   
2. Swipe down from the top of the screen to bring up the menu.
   
3. Tap Settings.
   
4. Scroll to, then tap Call Waiting.
   
5. Tap the Call Waiting switch to toggle on/off.
   
6. While receiving a call, touch and drag the Call bar to the left to answer.
   Note: The previous call will be put on hold.
   
7. To make a 3-way call, while on a call, tap Add Call.
   
8. Enter the desired phone number, or tap the Contacts icon.
   Note: This tutorial selects a number from the list of Contacts.
   
9. Scroll to, then tap the desired contact.
   
10. Tap the desired phone number.
    
11. With both calls on the line, tap Merge.
    
12. Three-way calling is now enabled. Tap End Call to hang up.