How to set the ios14 call pop-up window?

Take the iPhone11 mobile phone, system version: iOS14 as an example, you can refer to the following steps to set up the call pop-up window:

1. After turning on the mobile phone to enter the system, click the setting icon of the mobile phone to enter.

2. After entering, in the setting interface, slide up to select the phone option.

3. After entering the phone settings, click the option of incoming call to enter.

4. after clicking enter, select the banner option above.

5. after clicking the check banner, return to the mobile phone desktop.

6. At this time, when an incoming call is received, a pop-up window will be displayed above. Can answer the phone quickly.