The present cell phones, nonetheless, are stuffed with numerous extra highlights, for example, internet browsers, games, cameras, video players and even navigational frameworks. Aims: The aim of this study was to determine the Association between the extent of mobile phone usage with psychological wellbeing and academic performance of adolescents. Materials and Methods: It was a quantitative descriptive approach with cross sectional descriptive survey design. The population involved in this study was adolescents studying in high schools at Bagalkot. Sample were adolescents studying in 8th, 9th and 10th standards of Shri B.V.V sangha`s English Medium High School, Vidyagiri at Bagalkot. Sample size is 120 (Total) adolescents were included in the study. Further, data were collected by structured questionnaire, Ryff’s psychological wellbeing scale and academic performance rating scale. Results: majority (63.3%) were mild mobile users and 36.7% were moderate users.50% were never or seldom felt life interesting and there was no student found with low spirit, unhappy or excellent spirit. A significant association was found between the cell phone utilization of youths and mental prosperity, A significant association was found between the cell phone use of adolescents and their selected socio-segment factors like

Keywords : Mobile Phone Usage, Psychological Wellbeing, Academic Performance and Adolescents.