Motorola may sell its mobile unit because of investor demand. It said it ismay “separate” its unprofitable mobile division. In a statement released yesterday the company stated it is: “exploring the structural and strategic realignment of its businesses to better equip its Mobile Devices business to recapture global market leadership and to enhance shareholder value. The company’s alternatives may include the separation of Mobile Devices from its other businesses in order to permit each business to grow and better serve its customers.”