Nokia Lumia 920 32GB Unlocked GSM 4G LTE Windows Smartphone - Cyan Blue Camera: 8 MP, 3264x2448 pixels, autofocus, Carl Zeiss Tessar lens, F2.2, dual LED flash Display: AMOLED 480 x 800 pixels, 4.3 inches (~217 ppi pixel density) Unlocked AT&T cell phones. Check with your service provider to make sure this phone is compatible with them. Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin. OS: Microsoft Windows Phone 8 Internal Memory: 32 GB storage, 1 GB RAM CPU: Dual-core 1.5 GHz Krait GPU: Adreno 225