ZTE plans to double its smartphone numbers this year as it expands out of China, cellphone strategy head Lv Qianhao said in an interview Tuesday. Its motherland and the US would be the "key engines" for growth in 2012 as it focused on higher-end devices, he explained to Reuters. Best known for its budget Android phones, it was leaning towards the high end and just recently unveiled the Tania, its first Windows Phone.
