What software can replace the access card of mobile phone?

First, you didn't buy the door lock yourself. Then the phone must have nfc function. Take Huawei mobile phone as an example. Click the+sign in the upper right corner of the software wallet, card package and system, select the access card, and follow the instructions.

Second, you bought the door lock yourself. You can buy an electronic lock that matches the software, such as JoinUs, and unlock it directly with your mobile phone. However, this kind is generally used by property companies, and personal use has not been encountered.