The hacker puts spy application along with phone call. When it comes the phone gets hacked. They can read delete messages , Emails.can listen online conversation or live streaming.they can stop network.reduce internet speed. This application can connect to any digital appliance such as laptop. Air conditioner. Cctv camera, washing machine.jogging machine music system a and hacks the central processing board.They also can remove the application by phone. I know the people who r doing this.
