If the device is not connected with the network or is offline, long press the button of the Aqara Smart Wall Switch for more than 5 seconds to reset.
If the connection between Aqara Smart Wall Switch and the hub is working normally, in order to prevent users from deleting it by mistake, it is required to double press the button and then long press for more than 5 second to finish resetting. After the red indicator light is on for 1 second, it turns blue and flashes fast, which indicates the Aqara Smart Wall Switch has been reset successfully.