Samsung Star 3 DUOS S5222 Unlocked GSM Phone with Dual SIM, 3" Touchscreen, 3.2 MP Camera, Wi-Fi and microSD Slot - Modern Black This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. 2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TFT Capacitive Touchscreen; TouchWiz Lite UI v2.0 3.15 MP Camera; microSD Card Slot up to 32 GB Wi-Fi 802.11 b/g/n; Bluetooth v3.0 with A2DP; Stereo FM radio with RDS