Apple has been sued in China by customers who claim to have been given refurbished iPhone 4 units after paying for brand new devices. Citing a report from Chinese-language Sina Tech, M.I.C. Gadget reports that at least six customers who purchased iPhone 4 units from Beijing Apple stores reported that their registered warranties were less than the full year promised by Apple, and that their supposedly new units had scratches, leading them to believeā¦