How to bind Xiaomi mobile phone to encrypted community direct drinking water card

1. First open the Xiaomi mobile wallet application, select the "door key" option, click to enter the "door key" and select the "Add" button at the bottom.

2. After clicking Add, put the water card on the back of the phone and cover it. At this time, the Xiaomi mobile phone will automatically turn on the NFC function and read the water card.

3. After successfully reading the water card, click "Add" below.