The ratio of using Smartphones is increasing day by day. GPS and Rydys is become a source of information through your smartphone.
Silent Messages may be very helpful to collect information and data from your mobile phone. When you receive this message, an auto generated message sent back from device. Spy can get information about your location and your local mobile phone tower.
Android Play Store has too many apps that are used to send a silent message. An Active Mobile phone in your pocket “even you switch off GPS and Data Service” may be provide information about you and your location, and no way to prevent it.