This paper combines insights from researches in brand experience, brand trust and customer equity and social network service (SNS). In light of a growing interest in the use of social network service (SNS) marketing among smart phone brands, this study sets out to identify attributes of brand product and examines the relationships among those SNS attributes, brand experience in SNS, brand attachment, brand trust, value equity, relationship equity and brand equity through a structural equation model. SNS attributes are conceptualized as utilitarian (perceived ease of use, perceived usefulness) and hedonic (entertainment, aesthetics). Four constructs of electronics brands experience in SNS are sensory, intellectual, behavioral, relational experience. The study aims to have a positive investigation on what influence is given to customer equity by the brand trust and the brand attachment formed through brand experience in SNS environment.