How to set a blacklist for Xiaomi 4

1. Open the phone settings and find "System Application".

2. Click the Security Center option below.

3. Then find the "harassment interception" button and click it.

4. Finally, click the switch in the upper right corner to open this function, and the blacklist will be set.

Extended data:

1 Compared with Xiaomi mobile phone 4, the previous generation Xiaomi mobile phone has made great progress in technology. The frame is made of austenitic 304 stainless steel, which is produced by Foxconn and Herbie.

2. Its frame has undergone a strict and complicated forging process, and it has been processed by CNC machine tools for 8 times. The fourth step of the forging process is annealing, ultrasonic cleaning 10 minute, water washing for 20 minutes, high temperature heating at 1000 degree/kloc-0 hour, and cooling for 3 hours. The bright edge is processed by 13 process for more than 6 hours. The total processing time is 30 hours, and the process complexity is high.

Baidu Encyclopedia-Xiaomi 4