The current research has as starting point the decision process model and innovation adoption process, applied on the specific of mobile telecommunications users, focusing on mobile telephones/ smartphones. The decision process model has the following steps: perception of need, expectations, looking for information, alternatives evaluation, creation of preferences, choice, purchase, consumption, assessment after purchase. On the other hand, the model of innovation adoption focus on the following stages: innovators (the first to adopt innovations), early adopters (become convinced by innovations and quickly buy), early majority (first expect the experience of others and then buy), late majority (wait for the popularization of innovations before buying) and latecomers (the last to buy innovations). The research was made during March 2013, using a questionnaire based survey, which was filled in by 165 mobile telephones owners. The sample was calculated with the help of the probabilistic method. The hypotheses derived from the objectives of this research and were formulated taking into consideration the final results of the research paper: more than half of the respondents are open to new technology and have a smartphone; the brand with the highest success among mobile telephones owners is Samsung; most frequently, mobile telephones owners bought this product very quickly after its launch; most frequently, mobile telephones owners accorded main attention to the following stages of the buying decision process: information search and choice; most frequently, the mobile telephones owners were influenced in their decision process by family, friends, colleagues and sales force. The final results were obtained using statistical functions, such as: descriptive statistics and factor analysis, with the help of the SPSS 16.0 software for Windows XP.
