How to Turn Off NameDrop (Contact Sharing) on iPhone
NameDrop, which allows iPhone users to share contacts from the Contacts app more conveniently, can be managed and disabled if you prefer not to use this feature.
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How to Use NameDrop on iPhone
NameDrop isn’t a separate app, it’s a feature built into iOS 17 and newer. Just hold your iPhone close to the other person’s, or tap them together, and you can wirelessly share contact info in seconds.