This document provides instructions for using a smartphone. It begins with legal notices and an overview of what is included in the smartphone box. It then covers basic safety precautions for using the smartphone and explains what the battery and SIM card are. The document consists of multiple chapters that describe how to use the various features and applications of the smartphone like making calls, messaging, browsing the internet, using apps, and changing settings. It provides step-by-step guidance on using each function with screenshots and illustrations.