iPhone uses your AppleID to create your contact card, called My Card, in the Contacts app 
but you may want to add or edit details—including your name, address, phone number, birthday, photo, and Contact Poster you can share with people when you call or send a message to them.
Add or edit your photo and poster
You can set a photo and poster to automatically appear when you call or send a message to others.
Open the Contacts app
on your iPhone.Tap My Card at the top, then tap Contact Photo & Poster.
Optionally, tap Name, enter your first and last name as you want it to appear to others, then tap Edit to pick a poster or create a new one.
Scroll to the bottom and turn on Name & Photo Sharing to start sharing your contact photo and poster with others.
You can share automatically with Contacts Only, or select Always Ask to be prompted before your name, photo, and poster are shared with anyone you’re communicating with.
Add or edit contact pronouns
You can add or edit your pronouns or another contact’s pronouns in the Contacts app.
Open the Contacts app
on your iPhone.Tap My Card at the top to add your pronouns, or select another contact to add theirs.
Tap Edit, then tap Add Pronouns.
Select your language and add the correct pronouns.
You can also add pronouns in other languages by tapping Add Pronouns again.
Note: When you share your contact information through Contacts or NameDrop, by default your pronouns aren’t shared. When you’re sharing another contact’s information, their pronouns are never shared.
See Use NameDrop on iPhone to share your contact information.
Complete or edit My Card
Use My Card in the Contacts app to easily share your information with others.
Open the Contacts app
on your iPhone.Tap My Card at the top, then tap edit.
Enter your contact information.
Contacts suggests addresses and phone numbers to help you set up My Card.
If you don’t see My Card, tap 
and enter your information, then return to the contact list, touch and hold your contact, and tap Make this My Card.
You can also teach Siri how to pronounce your name. See Tell Siri how to say your name.
Create or edit your Medical ID
Tap My Card at the top of your contacts list, tap Edit, scroll down, then tap Create Medical ID or Edit Medical ID.
See alsoUse NameDrop on iPhone
As a seasoned tech enthusiast with a profound understanding of Apple's ecosystem, I'm here to delve into the intricacies of managing your contact information on your iPhone. This isn't just about updating your name and number; it's about optimizing your digital presence through your AppleID and the Contacts app.
Managing Your Contact Card:
In the realm of iPhones, your AppleID is the key to creating a personalized contact card known as "My Card" in the Contacts app. This digital representation of yourself holds essential details such as your name, address, phone number, birthday, and even a photo. What's more interesting is the concept of a "Contact Poster," a feature that allows you to share specific information when communicating with others.
Adding or Editing Photo and Poster:
To make your interactions more personalized, you can set a photo and poster to automatically appear when you call or message someone. Open the Contacts app, navigate to My Card, and tap on "Contact Photo & Poster." Here, you can edit your name, pick a poster, and enable Name & Photo Sharing. This functionality lets you share your contact photo and poster automatically, or you can choose to be prompted before sharing.
Contact Pronouns:
Acknowledging the importance of inclusivity, the Contacts app allows you to add or edit pronouns for yourself or others. By opening the Contacts app, tapping on My Card, and selecting "Edit," you can add pronouns in your preferred language. Notably, when sharing contact information, your pronouns are not shared by default, ensuring privacy and respect.
Completing or Editing My Card:
The Contacts app simplifies sharing your information through the My Card feature. By opening the app, tapping on My Card, and then selecting "edit," you can enter and update your contact information. Siri even comes into play here, as you can teach it how to correctly pronounce your name for a more personalized touch.
Medical ID Integration:
Beyond personal details, your iPhone allows you to create or edit your Medical ID through the My Card section. This is a crucial feature for emergencies, providing essential medical information to first responders. Open My Card, tap "Edit," scroll down, and then select "Create Medical ID" or "Edit Medical ID" to manage this potentially life-saving information.
NameDrop for Efficient Contact Sharing:
The article briefly mentions using NameDrop on iPhone to share contact information efficiently. While the details are not explicitly provided, this feature is likely an extension of the contact-sharing capabilities, possibly allowing for quick and seamless sharing in various scenarios.
In conclusion, managing your contact information on an iPhone goes beyond the basics. It's about creating a digital identity that reflects who you are, making interactions more personalized and inclusive. From sharing pronouns to setting up Medical ID, Apple's ecosystem offers a comprehensive set of tools to enhance your digital presence and streamline communication.
