How to set up an incoming call firewall for Apple's mobile phone?

It can be realized by installing plug-ins after jailbreaking.

Then refer to the following steps:

1. Open cydia, search for KuaiDial and install it;

2. Open the settings, find the speed dial, and click;

3. Click on the blacklist, as shown:

4. Set the intercept mode and turn on the switch.

Interception mode support: blacklist, whitelist only, intercept all incoming calls.

The bottom can also intercept strangers, intercept calls without numbers, and intercept areas, which can be set according to individual needs.