When you block a Contact/Number, they can no longer reach you. If the blocked Contact/Number attempts to call or text you, you will not receive them.
Note: The method to block a number is different if it has been added as a contact or if it is a recent number.
Contact Method:
1. Open the Dialer.
2. Locate the number you want to block in Contacts.
3. Select the Contact.
4. Tap the 3-Dots icon in the top right corner.
5. Tap Block numbers > Report as spam (if desired) > Block.
Recent Method:
1. Open the Dialer.
2. Locate the number you want to block in Recent.
3. Press and hold the Number.
4. Tap Block/report spam.
5. Check Report as spam if desired, then tap Block.