A smartphone is a cellular phone with a built-in computer and other functionality such as an operating system, web browsing, and software application support that were not previously found in phones. Smartphones today enable users to surf the internet, play games, and send texts in addition to making phone calls and sending emails, even though their primary purpose was to enable phone and email communication. It has paved the path for instant connections between people all over the world through SMS, text messaging, calls, video chat, and applications. They are conveniently pocket- or bag-sized. They are also light in weight. Those on a tight budget can choose from certain affordable options.