How to solve the problem that mobile phones always receive spam messages?

On Apple's mobile phone, if we find that the mobile phone always receives yellow spam messages, we can turn on the information filtering function. The operation method is as follows:

Apple phones often receive yellow text messages.

1. Open the phone settings and click? Information? Button to enter the information page.

2. open? Filter unknown senders? Just press the button.

operating environment

Brand model: iPhone 13

System version: ios 15.3. 1