1. To add a number to the block calls list, tap the Phone icon.
   Note: The call blocking feature may not affect phone calls made or received via third-party apps installed on your device. Please contact third party app developers for assistance with such applications.
   
2. Tap Call logs.
   
3. Touch and hold the desired phone number.
   
4. Tap Reject call.
   
5. To remove a number from the block calls list, touch and hold the desired number.
   
6. Tap Remove from call reject list.