ZTE blasted Microsoft's (NASDAQ:MSFT) Windows Phone 7 platform as not popular enough, and said Microsoft isn't properly addressing customer needs. ZTE--the world's No. 4 handset maker in the fourth quarter, according to research firm IDC--said it has built prototype WP7 devices, but has no plans to release gadgets running the platform. "We anticipate that Microsoft will respond more effectively to market needs in terms of user experience [and] in terms of cost," said Wu Sa, ZTE's U.K. director of mobile service operations. Article (sub. req.)