Access your Google Contacts.
In the search bar, search for your desired contact to update. Select the contact and click the Edit button to edit the contact information.
Note: If a contact has not been saved to your contacts list, you must first click the Add contact (person) icon and then the Edit button will become available.
Update the contact information and then click Save.
You can also delete a contact (if there is more than one or you no longer need the contact in your list) by clicking the 3 dots next to Edit and select Delete.
Note: Contacts are permanently deleted from your trash after 30 days. Click Move to trash to delete.
To re-add new contacts, click on Create contact.