Samsung Strive A687 Unlocked GSM Slider Phone with Touchscreen, Full QWERTY Keyboard, 2MP Camera, A-GPS, Bluetooth and microSD Slot - Purple 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. Fast 3G connectivity; Memory expansion via microSD card slot GPS navigation capabilities via AT&T Navigator service Slide-down full QWERTY keyboard; 2-megapixel auto-focus camera Bluetooth 2.0 connectivity with stereo music streaming (A2DP) capabilities