The mobile phone received the message that it received a photo, clicked a link to see it, but it was automatically downloaded and installed. I don't know what the program is like to surf the Internet.

The biggest possibility is rogue software, running traffic in the background, ok, or it will be too late to cry when you find that something is really wrong. There are many ways to know your mobile phone number. For example, if you have registered in the forum, you will know what mobile phone you are using. When you fill in the information, there is your mobile phone and mobile phone number, that is, a number, which is public, whether among people you know or people you don't know. That kind of person usually sends you a message asking for your mobile phone model. Say that he is a certain service, and there is something like an update patch for you to download and install, or directly give you a link to say what it is. In fact, he doesn't know you at all, just trying to get rogue software on your computer, hiding the process, running in the background, running traffic, or sending text messages to add value to services. Generally, only the lattice machine can solve it, but it should be noted that at the same time as the lattice machine, the memory card should also be lattice, so as to be thorough. You should pay attention to Geka. You can't leave things like previous installation information, just back up your saved information and delete everything else. Playing smart phones is as common as eating, especially Saipan's system.