Here we go:

• Open the Phone app.
• Tap the three-dot icon (top-right corner).
• Select “Call Settings.”
• Select “Reject Calls.”
• Tap the “+” button and add the numbers you want to block.

What happens when I block a number on my Android?

Android: Blocking from Android applies to calls and texts. Calls ring once and go to Voicemail, texts are sent to a “blocked senders” folder. To Block a number in Android from their contact window, click the three button menu at the top right corner of the screen and select “Block number.”

How do you block a number on Android without them knowing?

Select Calls > Call Blocking & Identification > Block Contact. You can then block calls from anyone on your contact list. If the number you wish to block is not a known contact, there’s another option available. Simply open the Phone app and tap Recents.