How to block unwanted calls? Can I set it on my mobile phone?

If the phone doesn't have a blacklist function, you can use the blacklist function of the APP to intercept the number. Next, set up a blacklist with 360 security guards:

1. Open the mobile phone 360 security guard APP, enter the main interface of 360 security guard, and click fraud interception.

2. Then, enter the main interface of fraud interception and click "Blacklist Management" inside.

3. After entering the blacklist management interface, click Add Number at the bottom of the interface.

4. Then there will pop up several ways to add the list number of black people. Just choose the way you need. Here, choose to enter the number manually.

5. Finally, enter the number to block, and then click Save.