A feature phone is a mobile phone that retains the form factor of earlier-generation phones, with button-based input and a small display. Feature phones are sometimes called dumbphones in contrast with touch-input smartphones . [1] They tend to use an embedded operating system with a small and simple graphical user interface , unlike large and complex general-purpose mobile operating systems like Android or iOS . Feature phones typically provide voice calling and text messaging functionality as well as basic multimedia and Internet capabilities and other services offered by the user's wireless service provider . Feature phones have a backlit LCD screen, a hardware notification LED , and micro USB port and have a physical keyboard, a microphone, SD card slot, a rear-facing camera to...
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