How to set up a mobile phone to intercept calls from strangers?

Operation mode of Android system: Take Huawei Mate40 mobile phone and system version emui 1 1.0 as an example, and the specific operation steps are as follows:

1. Find the phone button in your phone and click Open.

2. Click the three horizontal buttons in the lower left corner, and then click Phone Settings.

3. In the phone settings, click Harassment Interception.

4. Turn on the harassment interception option and set it to automatically update the interception library, so that the interception settings are consistent with the cloud information.

5. Click Phone Interception, and you can set the interception type and whether to intercept strange or other incoming calls.

6. In the following ring-back tone interception, you can set the ring-back tone reminder to be empty. Click to confirm.

Ios system operation mode: Take iPhone 12 mobile phone and system version ios 14.3 as examples, and the specific modes are as follows:

1. Open the phone settings, find the Do Not Disturb mode, and click Enter.

2. Turn on the switch behind the Do Not Disturb mode and select Always in the mute mode below.

3. Click to enter the phone bar and select favorites from the following calls.

4. Exit the settings, open the address book, add the calls you need to answer to your personal favorites, and leave the rejected calls in the address book.