Smartphones are mobile devices with advanced features and operating systems that allow the devices to run applications. Devices with Web browsing capabilities, touch screen displays, powerful CPUs, increased storage capacity and diverse connectivity options are considered smartphones. These devices also can send or receive messages and emails.
Smartphones come loaded with popular operating systems such as Android, Windows Mobile and iOS to run applications. These devices use applications for music, movies, GPS navigation, address book management and voice dictation. Additionally, smartphones can view and edit Microsoft Office documents, which is useful for work or school. A smartphone is essentially a cellphone combined with a personal computer that offers mobility, Web connectivity and email. These devices also feature Qwerty keyboards, high-resolution touch screen displays, Wi-Fi connectivity and impressive cameras.
As of 2015, popular smartphones include the Samsung Galaxy Note 4, Apple iPhone 6 Plus, Samsung Galaxy S6 and Apple iPhone 6. The Samsung Galaxy Note 4 is commonly referred to as a phablet and features a large 5.7-inch high-resolution display. This mobile device runs Android OS, has a useful stylus and features a 16-megapixel camera. The iPhone 6 Plus also has a large 5.5-inch touch screen display and two high-resolution cameras and runs iOS.