Here's a contradiction in action: a Nokia phone that goes down a model number, but up in features. That's what we'll see if regulatory screenings and leaks surrounding the unreleased Lumia 510 are any indication. China's TENAA, the FCC and Indonesia's DG PosTel have all taken a look at the device ahead of time and point to a short, squat design that won't have the budget chic of the Lumia 610. However, if Baidu tips are correct, the 510 may be an ever-so-slight upgrade to its higher-digit predec
