If you bought an original iPhone that was formatted back to factory settings or you never updated your original iPhone, you will notice that the Contacts icon is missing from the Home screen.

Have you turned on your iPhone and find your iPhone settings icon missing, or you accidentally deleted the Settings ... If none of these steps resolve the issue, it may be necessary to contact Apple ...

How to add contacts to an iPhone via the Contacts app 1. On your iPhone's home screen, tap the Contacts app icon, which appears as an address book with the greyed-out shapes of a man and woman.

If there’s one knock we have against the iPhone ... you exclude any app or contact from being silenced, so with a few taps, you can use it to merely add a custom icon to your status bar.