Motorola ATRIX 4G for AT&T is a very powerful smartphone, running with Tegra dual-core chipset, 1GB of RAM and support for up to 48GB of memory, a 4-inch QHD display (or 960 x 540), a front-facing VGA camera and 5-megapixel with an LED flash at back side, a 1930 mAh battery, fingerprint login security, and Android 2.2 Froyo OS, 3G, Wi-Fi, HSPA+, HD Dock, Laptop Dock and many more on the board. Check out full specifications and more details.