How to see the source of spam messages on mobile phones?

2. Click on the three o'clock direction in the upper right corner.

3. Click on the harassment interception.

4. Next, you need to click the information.

5. See if there is a verification code sent in the interception information.

6. If there is no verification code in the intercepted information, try to delete some information in the mobile phone, release the memory, and then send the verification code to see if it can be received normally.