The document compares various mobile phone brands (Apple, Samsung, Blackberry, Nokia, HTC) across several attributes based on customer preferences and ratings. It finds that Apple is the most preferred brand and rated highest in attributes like brand, style, camera quality, and user friendliness. However, Nokia and Blackberry are rated better than Apple in terms of price, battery durability, and durability. The document recommends areas for brands like Samsung, Blackberry, and HTC to improve in order to better compete with Apple and other top brands.