Aaron unboxes the Pantech Flex, an entry-level smartphone that's coming to AT&T on September 16th.  The Flex offers a 1.5 GHz dual-core Snapdragon S4 CPU, 4.3-inch Super AMOLED display, 8-megapixel camera with 1080p HD video recording, a front-facing camera, 1,830 mAh battery, 4G LTE connectivity, and Android 4.0 with Pantech's UI.  It offers two modes: an advanced mode for current smartphone users, and a simple mode for first-time users.