how do you change the SOS emergency address you entered on setup

1. Open the Health app and tap your profile picture .
2. Tap Medical ID.
3. Tap Edit, then scroll to Emergency Contacts.
4. Tap the Add button  to add an emergency contact.
5. Tap a contact, then add their relationship.
6. Tap Done to save your changes.

You can't set emergency services as an SOS contact.

Set up your Medical ID in the Health app

Remove emergency contacts

1. Open the Health app and tap your profile picture .
2. Tap Medical ID.
3. Tap Edit, then scroll to Emergency Contacts.
4. Tap the Delete button  next to a contact, then tap Delete.
5. Tap Done to save your changes.