Mobiles, commonly known as mobile phones, are portable communication devices that allow users to make calls, send texts, and access the internet. They have evolved from basic models to smartphones, which offer advanced features like cameras, apps, and touchscreens. These devices connect to cellular networks, enabling communication over long distances. Most mobiles also include features such as GPS for navigation, music players, and social media access. Popular brands include Apple, Samsung, and Google, each offering various models to cater to different user needs and preferences.