The appearance of “mobile phone addicts” is becoming more and more frequent in clinical psychology practice. In these cases, specialists tend to adapt other more established treatments to the specific characteristics of this addiction. Adapting treatments is complicated, since this is a phenomenon with very specific characteristics. In this article, we attempt to shed some light on the assessment of this new addiction by reviewing the corresponding investigations, indicating the specific characteristics that should be taken into account when addressing this possible addiction and proposing possible areas of future research.