From a Home screen, tap Contacts (lower-left).
These instructions apply to Standard mode only.
If unavailable, navigate: Apps > Contacts.
Tap the Menu icon (upper-right).
Tap Call rejection.
Tap Auto reject list.
If desired, tap Unknown number to reject calls from unknown numbers.
An unknown number is one that isn't saved as a contact.
Enabled when a check mark is present.
Tap the Add icon + (upper-right).
Enter the 10-digit phone number.
Alternatively, to add a number from call logs or contact list, tap the Contact icon (far-right of Enter number field).
To refine the block, tap Match Criteria then select one of the following options:
Exactly the same as
Tap Save (upper-right).
To remove a contact or number from the list:
Touch and hold the contact.
Selected when a check mark is present.
To select all contacts, tap 0 selected (upper-left).
Tap the Trashcan icon (upper-right).
To disable a number on the list without deleting it, uncheck the box next to the desired entry.