Does the subject want to ask, "Why can't Luke touch the Bluetooth connection?" ? Mobile phone equipment problem or bad signal. Luke Smart Door Lock Touch is the main product launched by Yunding Technology around home intelligence and security. According to the introduction of Luke products of Yunding Technology Company, it can be seen that the Bluetooth connection cannot be connected due to the problem of mobile phone equipment or signal difference. You can try to turn off Bluetooth and turn it on again.