To block all calls on your phone, go to Settings-Do Not Disturb and toggle the button to the right to stop all incoming calls from coming in. You can also use this screen to schedule calls, texts and notifications during certain hours every day, such as when you're sleeping.
- Open the Phone app.
- Tap the menu overflow button (three dots) in the upper righthand corner.
- Tap Settings.
- Tap Calls.
- Within Call Settings, tap Call Barring.
- Tap All Incoming (which should initially say "Disabled").
What is the best app for blocking unwanted calls?
- Call Protect: Best Robocall Blocker for AT&T Users.
- Call Filter: Best Robocall Blocker for Verizon Users.
- Scam Shield: Best Robocall Blocker for T-Mobile Users.
- Hiya: Best Free Third-Party Robocall Blocker.
- YouMail: Best Robocall Blocker to Protect Your Identity.
- Robokiller: Best App for Getting Back at Robocallers.