2, then select "Services" and click "Healthcare".
3, then click on "e-health card", and then click on "open health card QR code".
4. Next, scroll down to find "Security Settings" and click on it.
5. Next, find "Unbind" and click on it.
6. Finally, select the health card you want to unbind, click "Unbind", and then click "Confirm Unbinding".