The rule of "forbidden aid for sin" is one of the important rules of jurisprudence, based on which any assistance or cooperation in committing a forbidden act is considered forbidden and sinful. This rule, which has its roots in the teachings of the Quran and Sunnah, plays a significant role in the social and moral interactions of Muslims. In the present era, with the emergence of digital media and devices such as smartphones, the scope of this rule has expanded significantly and has raised serious questions about the religious responsibility of users and content producers. This article examines the key concepts of the rule of "forbidden aid for sin" and uses reliable jurisprudential sources to examine the role and position of the rule in the media space and examines its examples in the use of smartphones. Finally, the article shows that, based on this rule, users, content producers, and media software developers each have a specific jurisprudential responsibility, the failure to comply with which leads to the deviation and corruption of the religious community and imposes irreparable material and spiritual losses on it.