AT&T GoPhone Z431 Prepaid Cell Phone, Black: * 2.4" 262K TFT LCD color screen * Compatible networks: GSM, GPRS, EDGE, UMTS * Operating system: Brew Mobile Platform 1.0.4.470 * HTML browser * 2MP camera with 5x zoom * Bluetooth v2.1 +EDR and A2DP * Downloadable applications, games, music, ringtones and wallpapers * GPS * QWERTY keyboard * MicroSD card slot for memory cards up to 32GB * AT&T Navigator, YPmobile * SMS, MMS, IM and email