Why doesn't Apple's mobile phone 1 1 have spam message function?

Method for set spam message function on Apple mobile phone 1 1

1.

Find the setting on the home screen of our mobile phone, and then click it.

2.

After entering the setting interface, find the APP option of our information and click it.

3.

In the information interface, we can see an unknown filtered message, click it.

4.

Then you will jump to the interface of unknown and filtered information. In the middle of the interface, there is an option to filter unknown senders. Click it.

5.

After clicking, the filtering function of our short message will be automatically turned on.