1. Open Huawei Health App and click "My >"; Laboratory > "Door Key" interface opens the "Door Key" function.
2. In the "Devices" interface of Huawei Health App, click the connected Huawei bracelet 6 and select "Huawei Wallet".
3. click on the+in the upper right corner, and then select "door key >"; Simulation entity access card ",click Close to delete the corresponding nfc card.
I hope the above information can help you solve the problem. Please feel free to let me know if you have any other questions.