OPPO mobile phone pulls friends into blacklist, how to recover?

Color OS 7 Address Book Custom Interception Rule-Blacklist Setting Steps:

1. To open the Phone application, first click the specified interface element (in the upper right corner of the Phone main interface) and press the figure.

2. Click "Settings" according to the instructions in the figure.

3. Continue to click "Interception Rules".

4. Then click "Blacklist".

Now you can adjust your preferences.

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