The impulse 4G is equipped with android 2.2 and runs on at&t s 4G network, the nation s fastest mobile broadband network. It is designed with convenience, personalization, and ever-Increasing functionality in mind. Use android market to grab apps for social networking, texting, emailing, and surfing the web or tools for organizing, simplifying, or planning. There are five customizable home screens that users can fill with the apps, shortcuts, and widgets they use most. The impulse 4G is stylishly designed for consumers and business people alike. Features: Quad band edge, tri-Band umts, hspa wvga full touchscreen display 5Mp autofocus