How to silence calls from unknown callers on iPhone

It is a fact that nobody likes spam calls. Unless you are a hardcore Android user, then you must be aware that Apple allows iPhone users to silence the unknown or spam callers. The feature enables you to block phone numbers you've never been in contact with and don’t have saved in your contacts list. With this feature, you don’t have to block or ignore each unknown caller silently and you can also view a list of users who called you later so that you do not miss out on any important calls.

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