Open the Phone app. Tap Settings → Caller ID & Spam. Turn on Filter spam calls. Go to Settings → Phone → Silence Unknown Callers. Calls from people not in your contacts will go straight to voicemail.

I don’t know about you, but I receive multiple spam calls every single week. As well as being an interruption and an annoyance, they can also be potentially dangerous. And with an increasing number of ...

Your phone already has powerful spam protection tools—you just need to activate them. We show you how on iPhone and Android.