1. Restoring the watch to factory settings, unbinding and other operations will not affect the activated bus card. The bus card opened in the watch is the same as the physical card. If it is unbound and then bound by others, you bound later can also use the opened bus card;
2. The access card is associated with the Mi Fitness account. If you rebind the original account after factory reset, the access card will still be retained. If you bind another account, the access card will be cleared.