Mobile phone always be the main target of the black hacker and also be the main controller of the legismate. There are four levels mobile phone attack:
First Level: Spam SMS, it is very popular during in 2005-2012. It is with faka basetation, it can send the message to all the surround mobile.
Second Level: SMS Sniffering, it means that the device can listen the content of the calliing, and catch the SMS text message.
Third Level: Man in the Middle Attack
Forth Level: Down Grade Attack