AT&T will release RIM BlackBerry Curve 8320 smartphone that features built-in Wi-Fi, 64 MB flash memory with microSD expandable memory, GPRS/EDGE (Class 10), full QWERTY keyboard, easy to use trackball navigation, Bluetooth 2.0, an integrated Wi-Fi 802.11 b/g and a 2MP camera. Its standard Lithium Ion battery offers up to 4 hours talktime and up to 15 days standby time. Available in sapphire blue, this GSM handset measures at only 4.2 inch x 2.4 inch x 0.6 inch and weights 3.92 ounces.