Hello, If the device cannot be scanned, it may be that the device has not been restored to factory settings. Please refer to the reset link below. http://meshfaq.magichue.net:8087/faqIndex.html?menuID=2d24c72f7d7648e7af7559760f935c4f&appFrom=ZG001&lableID=bbc7d07367a64d53a58e4c0241e5662b