The real white iPhone 4 won’t even hit the hands of consumers until Wednesday, but prototypes are still popping up all over the place. Last week, a white 64 GB prototype iPhone 4 made its way into the hands of a Vietnamese site, and now a 16 GB white prototype iPhone 4 has shown up for sale on eBay. The back features the markings of “XX” like all the other prototype iPhone 4s we’ve seen in the wild. We are really not sure how Apple could lose so many prototypes of one product. Thanks, Sonny D.