Samsung S5830L Galaxy Ace Unlocked Quad-Band 3G GSM Phone with 5MP Camera, 3.5 Inch Touchscreen, Bluetooth and Wi-Fi (Onyx 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. Unlocked Quad-Band GSM cell phone is compatible with 2G Network 850/900/1800/1900 MHz frequencies and 3G Network HSDPA 900/2100 - HSDPA 850/1900 MHz frequencies plus GPRS/EDGE capabilities. Android OS, v2.2 (Froyo); 5 MP Camera with autofocus, LED flash, Geo-tagging and video recording; Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot; GPS Navigator with A-GPS support; Bluetooth v2.1 with A2DP and microSD, up to 32GB. TFT capacitive touchscreen; DNSe sound enhancement; Stereo FM radio with RDS; Google Search, Talk, Maps, Gmail, YouTube, Calendar; Document and image editor; Media player; Swype text input method and Gorilla Glass display. Talk time up to 11 hrs - Standby up to 640 hrs.