How to set a blacklist for HTC smartphones

1. We can install a "360 mobile guard" on your mobile phone on Baidu or some mobile assistants.

2. Then we turn on "360 mobile guard" and there will be an interception function in the figure below.

3. In "harassment interception", click "settings" in the lower right corner, as shown in the following figure.

4. Here we will see some operations as shown in the figure below, and the blacklist of the red box below.

5. Click add blacklist at the bottom of the page, as shown in the following figure.

6. Then we can add blacklist phone numbers by text message, phone record, and manual input.