In order to communicate with the pHi-Tech devices, Android phones need to enable the location services. Go to Settings.2. Roll down to 'Location'. 3. Make sure the Location switch is set to on. Related ArticlesMobile App not communicating with the pHi-Tech DeviceHow to download the pHi-Tech Mobile App to my Android phone?pHi-Tech Mobile AppAndroid Version 1.3.46 / iPhone version 3.0.60Mobile App permissions