Fashion F10 - Factory Unlocked Phone - Yezz Wireless (Blue) Factory Unlocked Triple SIM - GSM Quad Band QWERTY Keypad 1.3 MP Camera Features Flashlight, Stereo FM Radio, Micro SD Slot Space, WhatsApp Messenger, Music/Video Player 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.