1. To answer a call waiting, tap answer.
   
2. To ignore the call, tap ignore.
   
3. Tap end current call and answer the call waiting, tap end call+answer.
   
4. To send a reply text, tap text reply.
   
5. Tap the desired option.
   
6. To begin a 3-way call, while in-call, tap add call.
   
7. Tap the Contacts icon.
   
8. Scroll to, then tap the desired contact.
   
9. Tap TAP TO SWAP to swap the calls.
   
10. Tap merge calls to merge the calls.
    
11. The conference call will begin. To end, tap end call.