After the Mi Fitness App on Android is updated to version 1.1.30 and above, it supports opening a blank card and keeping the phone connected to the watch.
Activation method:
Open the [Mi Fitness] App >> [Card Pack] >> [Add New Card] >> Select a custom blank card >> wait for the card activation to be completed, and you can set a personalized card face.
1. After the card is successfully issued, go to the property of the community, company or school. Whether the access control permission is successfully opened depends on the property;
2. After the permission is successfully granted, you can use the opened blank door card.
If your blank card activation fails, please refer to the following:
1. Close the Mi Fitness App, reopen it and try to activate it;
2. Try restarting the watch and mobile phone.