Find Device funktioniert nicht

Device Scanner is a necessary tool for using connected WiFi to the internet that integrates multiple detection and optimization functions.  We are committed to providing users with safe and efficient use of Wifi services and users with a high-quality network experience anytime and anywhere. - Detect wireless devices and Bluetooth signals around you. - Optimize network connection nodes to improve network speed. - Intelligent detection of potential network security risks to protect personal information. - Test all connected devices, easy to find strange devices. - After confirming the purchase, your iTunes account will be charged. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - The account will be charged a renewal fee within 24 hours of the end of the current period and will be renewed. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.