How to blacklist SMS?

How to set the SMS blacklist is as follows:

1. Open the phone and find the settings icon. In the setting options, find the sub-item icon of the notification and click Enter.

2. After entering the notification center, select information. Find SMS reminders for the following people and select the reminder option from my address book.

3. The new system adds the blacklist shielding function. Click Settings, select Information, and click Blacklist. Select Add, and all contacts will pop up automatically. Select the contact to block, and you will not receive calls and messages from the contacts in the blacklist.