Due to power consumption issues, the device will automatically turn off the add mode when the device is added for too long.Please initialize the door lock and add it again.
Please make sure that the distance between the phone and the device is close enough and there is no strong interference in the surrounding network environment.
Please check if the device is powered on properly.
If you don't know who connected the device, please initialize the door lock and add it again.
Please check if the phone Bluetooth is turned on.