LG GT550 Encore Unlocked Phone with 3MP Camera, GPS, 3G Support and Touch Screen - US Warranty - 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. Affordable, sleek touchscreen phone with virtual QWERTY keyboard and pre-loaded social networking apps 3-megapixel camera/camcorder; Bluetooth stereo music; microSD expansion to 32 GB; access to personal e-mail and instant messaging Up to 3 hours of talk time, up to 240 hours (10 days) of standby time; released in September, 2010 What's in the Box: handset, rechargeable battery, charger, quick start guide, 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.