Network Support: Experience fast and reliable connectivity on AT&T's network with 4G LTE capabilities for seamless browsing, streaming, and downloading.Storage Solution: 16GB internal storage capacity allows you to store your essential apps, photos, videos, and documents with easeCamera Features: Capture life's moments with exceptional clarity using the advanced camera system, featuring high-quality optics and intuitive photography toolsWindows Platform: Enjoy a smooth and intuitive user experience with the Windows Phone operating systemDisplay Excellence: Immerse yourself in stunning visuals with the Nokia Lumia 1520's large, high-resolution screen that delivers crisp, vibrant colors and sharp image quality