A smartphone is a mobile phone with a built-in computer and features previously unavailable in phones, such as an operating system, web browsing, and software application support. Despite the fact that its primary function was to allow phone and email communication, modern smartphones also allow users to surf the internet, play games, and send texts. It has made it possible for people to interact instantly anywhere in the globe via SMS, text messages, calls, video chat, and applications. They are a convenient size for a pocket or backpack. Additionally, they are lightweight. Those with little funds have a few accessible options to pick from.