Why can't Xiaomi 8nfc add a key card?

If Xiaomi 8nfc can't add a key card, you can use it after re-operating the settings through the following steps:

1. Find Xiaomi Wallet APP on Xiaomi's mobile phone, click Enter, find the key card, and click Enter;

2. Click on the bottom to start the inspection, and put the door card into the designated area of the mobile phone for inspection. After the inspection is completed, click on the bottom to start the simulation, which will jump to (notice of door card simulation user) and click agree;

3. Follow the prompts to verify the identity and verify the Xiaomi account password. After all, click Verify now.

4. Jump to the interface and wait a moment. Don't touch the key card. Write down the name of the key card when you are finished. Go back to Xiaomi wallet again, click on the key card and see that the key card has been added.

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