Open the settings, select the TouchID, and then enter the password. You can set this button to perform some functions in the Home key /Side key option, and you can edit your contact information, including name, phone number, etc. In the setting of displaying internal labels.

1. Open the settings application and select TouchID and password or FaceID and password (depending on your phone model).

2. Enter the password, enter the settings page, find the home key /side key option, and enter this option.

3. In the Home key/Side key options, you can set this button to perform some functions. One option is to display the internal label and open it.

4. In the setting of displaying internal labels, you can edit your contact information, including name, telephone number, etc.