Unlocked T-Mobile Alcatel Sparq II OT-875T GSM Qwerty Slider Cell Phone with 3G and Camera Unlocked to use with AT&T, Net10, H2O, RED POCKET, Ultra Mobile, T-MOBILE, SIMPLE MOBILE and many many more on supported GSM frequencies. Side-slide design with full QWERTY keyboard User-friendly entertainment device with camera and music / radio capabilities Affordable for customers in the market for a messaging device Optimized for social networking. Quickly share moments with friends and family 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.