How does Apple's mobile phone screen out fraudulent spam messages?

For a general person's spam harassment, we can directly achieve it by blocking his number, such as people you know in your life, or the same number often sends spam messages. First, find out the spam messages you want to block in the message, and click the "Detailed" option in the upper right corner, as shown in the figure.

How does iPhone6 stop spam? How does Apple 6 block spam messages?

Then click the "More Information" icon in the SMS details interface, as shown in the figure.

How does iPhone6 stop spam? How does Apple 6 block spam messages?

Then in the introduction interface, click the option of "Block this calling number", as shown in the figure below.

How does iPhone6 stop spam? How does Apple 6 block spam messages?

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Finally, click the "Block Contacts" option to block all short messages sent by this number.

How does iPhone6 stop spam? How does Apple 6 block spam messages?