Aaron unboxes the Nokia Lumia 820, Nokia's mid-range Windows Phone 8 offering on AT&T. Featuring a 1.5 GHz dual-core Snapdragon S4 CPU, the Lumia 820 offers a 4.3-inch OLED display (480x800 pixels), 8-megapixel camera with 1080p HD recording, a 1,650 mAh battery, and Windows Phone 8. It's available at AT&T for $49.99. Is it worth buying, or should you save your pennies for another smartphone?