The development of technology brought about some advantages as well as particular disadvantages. Smart phones which are new generation mobile devices are technological tools for meeting certain needs such as entertainment, social media, realization of daily routines and usage for educational purposes. The facts that new generation mobile devices can realize many transactions and provide solutions for individuals' needs immediately, arise the continuous interaction of individuals with mobile devices and thus, technological dependency. It is important to determine the usage of mobile technology by instructors who own a particular role in ICT integration process. The habitudes which instructors gained before their professional lives affect their careers. Therefore it is important to determine their usage of new generation mobile technologies in order to earn them the correct habitudes. The aim of this study is to determine the prospective instructors' usages of smart phones who receive education in different branches of faculty of education in terms of various variables. Research group consists of 217 prospective instructors who are studying in different branches at Necmettin Erbakan University. As data collection tool of the study; "personal information form" and "Smart Phone Dependency Scale" were used. The scale is 6-point Likert-type scale. It consists of 33 items. The Cronbach alpha (a) internal consistency coefficient of Smart Phone Dependency Scale is found 0.947. SPSS package program is used in order to analyze the data collected by data collection tools. Descriptive statistics, t-test for independent samples and analysis of variance are used for the analysis of data.