Nanjing college student changes 500 cellphones in 9 years

Zhang Yi, 24, is a senior at Nanjing University's School of Journalism and Communication. In the past nine years, he has used nearly 500 mobile phones. However, each phone stayed with him for no more than half a year, and the shortest was only half a day. Zhang Yi said, "My hobby is playing with mobile phones and studying the functions of various new models. But so far, I haven't found a phone that is most suitable for me."