This research purpose is to determine the effect of consumer-based brand equity relationships developed by Aaker (1991), namely brand awareness, brand image, perceived quality and brand loyalty on consumer purchase intention smartphone industry in Yogyakarta. In this study population is particulary communities in Yogyakarta. Whoever using smartphone or buy the products, without limiting users of other consumer electronics. Populations have been selected for diversity, responsive, and sensitive to changes. The sample in this study amounted to 200 respondents. By using the convinience sampling technique, that researchers have the freedom to choose anyone who is found to be the respondent. In this case the path used to distribute the questionnaire, is using the hard copy. From the raw data is then selected and screened to obtain quality data. From these results, finding that there is a positive relationship between multiple brand awareness (BA), brand image (BI), perceived quality (PQ), brand loyalty (BL) towards buying interest (PI) smartphone. The findings in this study provide information on the brand equity as familiar with the brand, the image of the brand, the perception of the brand and brand loyalty is the particular brand of smartphones purchase intention from the standpoint of the consumer. 
Keywords: Brand Equity, Brand Awareness, Brand Image, Perceived Quality, Brand Loyalty, Purchase Intention