MetroPCS is known for offering 4G LTE smartphones on the cheap, but it's going for a record today. The Activa 4G isn't just Huawei's first LTE smartphone in the US, it's temporarily the least expensive LTE phone in the country at $149 contract-free for a "limited time." Digging around, it's certainly possible to find out how Huawei and MetroPCS reached that price: the 3.5-inch, 320 x 480 screen, 800MHz processor and five-megapixel rear shooter won't have
