How can I block unknown callers?

Tap Settings > Blocked numbers and add the number you wish to block.

You can also block unknown numbers from this menu by toggling on Block unknown callers.

The second option is to block calls from your list of recent calls.

Tap Phone > Recents.

How do I block unknown calls on my Android phone?

Method 1 Blocking a Single Number

• Open the Phone app. It’s the phone receiver icon that’s typically found on the home screen.
• Go to your recent calls. The location varies by Android.
• Tap and hold the number you want to block. A menu will appear.
• Tap Block/report spam.
• Tap Block if prompted to confirm.