Lenovo and Motorola smartphones are displayed during a news conference in Hong Kong, China, in this May 21, 2015 file picture. Lenovo Group Ltd chairman and chief executive Yang Yuanqing defended the company's $2.91 billion acquisition of handset brand Motorola on August 13, 2015, saying the unit will help it become a global smartphone player despite a steep fall in shipment volumes. [Photo/Agencies]