How to Allow Contact Suggestions in Apps on an iPhone

If you want to allow contact suggestions in apps on your iPhone, follow these steps:

1. Open the Settings app on your iPhone. 2. Scroll down and tap on "Siri & Search." 3. Turn on the toggle next to "Suggestions in Search." 4. Turn on the toggle next to "Suggestions in Look Up." 5. Scroll down to "More Suggestions" and turn on the toggle next to "Allow Contacts Suggestions."

Once you've completed these steps, your iPhone will start suggesting contacts in various apps, such as Messages and Mail, based on your usage and behavior.