Almost simultaneously with the advent of cellular communications have appeared and how to use this link for free or cheap. Ways in most cases criminal, that operators are actively fighting - including with law enforcement agencies. Various "clones / flash" - thing of the past, although in some regions of Russia and in the individual standards hackers still manage to snatch a piece of free mobile airtime. But we will discuss innovative solutions - albeit on the verge of foul. " It is clear that the topic was not classified as "acclaimed" (to put it mildly) by the operators, but in some cases they have themselves to blame: no need to create the conditions for such use of mobile communications.