It is an anglicism used in smart mobile phones and tablets. It means to change the internal software of a device by a superior, previous version, or even the same version if you need to solve a problem. In the case of Android or iOS, Flash refers to reinstalling the operating system of the device. In Argentina they use quot; flashing quot; among the youth to imply that it is wrong or that he is hallucinating by something or someone, for example due to drugs. In English quot; flash quot; means Flash,
