How does OPPOR9 phone intercept strange numbers?

If you need to set the mobile phone harassment interception function, please follow the formula:

1, enter Settings-Telephone-Harassment Interception-Incoming Call Interception to set the interception mode;

2:? Set-Phone-Harassment Interception-Blacklist, add/select numbers, and incoming calls and text messages of contacts on the blacklist will not be received.

3. Its version of mobile phone desktop-security housekeeper-harassment interception

4: ColorOS 2. 1 and version of mobile phone notebook-three points in the upper right corner-settings-harassment interception-related operations.

Most scams start with a strange phone call, a strange text message or a strange website. ColorOS can quickly and accurately identify harassing fraudulent calls and phishing messages and give intimate reminders, automatically block pseudo base station information, automatically intercept incoming calls and empty numbers, and keep you away from harassment and fraud. Fraudulent calls and harassing calls come in, and we can identify them through the system to prevent them from falling into the pit; Is it hot? We also took precautions before the call came in. In Settings-Telephone-Harassment Call Interception-you can turn on the switch to intercept the call with an empty number and intercept the call with a strange number.