This cell phone is compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM need cards (e.g. H20, Straight Talk, and select prepaid carriers) need to contact the service provider to check fully compatibility of the phone. This cellphone will NOT work with CDMA Carriers like Verizon, Sprint, Boost mobile or Virgin mobile 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash,Geo-tagging,touch focus,face detection,panorama,auto-HDR; Video: 1080p@30fps, HDR,Secondary;5 MP, f/2.2, auto-HDR. Non-removable Li-Ion 3000 mAh battery Octa-core processor: runs multiple apps at the same time without slowing down with Qualcomm Snapdragon 617 processor. In addition, powerful graphics capabilities support rich 3D images.13.97cm (5.5") Full HD display: Photos look sharp and lifelike while videos and games jump off the screen.