From the Contacts app, tap My Card.
You can edit your contact card within the Contacts app or the Settings app (Apple ID section).
Tap Edit in the upper-right corner to add or remove details. You can also tap Shared Name and Photo to adjust how your contact info is shared.
If prompted, tap Continue.
On this screen, you can select the image that will be automatically shared to your contacts. You can also tap Poster to change your image's background.
Tap Customize to adjust your avatar, a simpler profile icon that appears next to your name in lists and other abbreviated views.
To share your contact card with others, scroll down and tap the Name and Photo Sharing switch.
Scroll to and tap Share Automatically.
Select your sharing preferences.
Tap the Check Mark icon to save your changes.
You've completed the steps!
