Samsung Galaxy S III S3 T999 GSM Unlocked Android Smartphone - Marble White This Samsung Galaxy S III cell phone delivers a suite of Samsung interactive features and fast, powerful processing capabilities to the T-Mobile service network Leveraging 2 GB of internal RAM in tandem with 16 GB of onboard memory, this Samsung Galaxy has the power it needs to drive impressive technology such as S-Voice. This Samsung Galaxy S III cell phone also comes standard with a rear-mounted 8 MP camera, and a front-facing video-enabled camera for conference calls Photos snapped on this camera can be automatically shared with up to five friends thanks to the Share Shot feature on this smartphone This Samsung Galaxy also can understand a range of human gestures and initiate commands and actions at the sweep of a hand or simply by a user placing this smartphone next to his or her ear, making it a powerful and intelligent communication tool. 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.