Ibrahim A. Jumaan, Abu Bakar A. Hamid, A Conceptual Model for Understanding Mobile Data Services Post-Adoption in Malaysia, International Business Management, Volume 12,Issue 4, 2018, Pages 353-358, ISSN 1993-5250, ibm.2018.353.358, (https://makhillpublications.co/view-article.php?doi=ibm.2018.353.358) Abstract: Mobile data services has rapidly diffused and became one of the most popular internet services in the world. The aim of this study is to understand mobile data service post-adoption behaviour. Information system literature shows that IS users habitual tendency has been neglected in the information system success context. The present study will extend by habit through investigating its antecedent and consequence. The survey of the present study will be conducted in Malaysia targeting mobile data services existing users. The study will be quantitative research. Structural equation modelling technique will be followed to analyse the collected data and test the research proposed model. Keywords: Mobile data services;information system;satisfaction;habit;post-adoption;model