Big smartphone slabs rule America, but there's still room in many hearts for voice-focused phones with traditional keypads. Many voice phone users will have to upgrade their devices soon because the carriers are turning offthe 3G and 2G networks that older voice phones rely on. Fortunately, a new generation of 4G LTE voice phones has sprung up, some sold by carriers and some, like the 6300, unlocked. Buying unlocked means you can take advantage of super-cheap phone plans from virtual operators such as US Mobile, which has an unlimited talk and text plan for $10 or a plan with 1GB data for $15. If you're used to a smartphone, you'll be amazed by how far 1GB stretches on a voice phone like the 6300, even when you're streaming music or checking social media This smooth, matte plastic slab is available in gray, green, or white. It measures 5.17 by 2.09 by 0.54 inches (HWD) and weighs only 3.5 ounces; it's a little taller than the less expensive Nokia 225, but still easy to slip into a p...