The purpose of this study was to analyze the influence of brand awareness, brand association, perceive quality, and brand loyality to purchase decision to blackberry mobile phone. The data were collected by questionnaire and interview. The method used in this study was regression analysis. The result of this study of regression analysis was Y = -1,507 + 0,062 X1 + 0,867 X2 + 0,147 X3 + 0,064 X4…