BlackBerry Torch 9810 Unlocked Touchscreen Smartphone - Grey no warranty 2G: GSM Quad-Band 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 1900 / 2100 BlackBerry OS 7.0; 1.2 GHz 5 Megapixel Camera w/ Autofocus, LED Flash, Geo-tagging, face detection Bluetooth: v2.1, A2DP, Wi-Fi 802.11 b/g/n, GPS with A-GPS Internal Memory: 8GB, 768 MB RAM + expandable memory up to 32GB Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.