How to see missed calls when Apple's mobile phone is turned off, and how to set it?

1. First, find and open the settings on the desktop of Apple's mobile phone, as shown in the figure below.

2. Then find the phone option in the settings, and click, as shown in the figure.

3. Then find the voice reminder function when there is an incoming call, as shown in the figure.

4. In the voice reminder interface at startup, select Always and check it, as shown.

5. Then turn on the non-silent mode of the mobile phone. Finally, through this setting, the calling information prompt function of Apple mobile phone is set, so that when a friend calls, the name or phone number of the mobile phone note will be automatically broadcast, as shown in the figure.