Feature phone

A mobile phone centered on voice calls and text messaging, with a limited set of additional features and less software flexibility than a smartphone.

Mobile phone: A portable telephone that connects to a cellular or other wireless communications network. Feature phones are a basic class of mobile phone.
Smartphone: A mobile phone with an advanced operating system, broad application support, and computing functions beyond basic communication. Smartphones offer more flexible software and internet use than feature phones.
Mobile telephony: The provision of telephone communication through wireless networks and portable devices. Calling is the foundational use that feature phones serve.
Digital divide: The unequal access to digital technologies, connectivity, and the skills needed to use them. Low-cost feature phones can provide communication access where smartphones remain unaffordable.
Keypad: A set of physical buttons used to enter numbers, text, or commands. Physical keypads are a common way to dial and compose messages on feature phones.
Dumbphone: A colloquial label for a mobile phone with limited software capabilities compared with a smartphone. The term overlaps with feature phone but often emphasizes minimal functionality.
Text messaging: The exchange of short written messages between people through telecommunications services. Feature phones make text messaging available through simple interfaces and keypads.
Mobile internet: Internet access delivered to mobile devices through cellular or wireless networks. Limited browsers and data capabilities shape how feature phones participate in online access.
Short Message Service: A mobile telecommunications service for sending short text messages between devices. SMS is one of the core messaging functions associated with feature phones.
KaiOS: A mobile operating system for low-cost phones that supports selected web applications and smartphone-like services. KaiOS devices blur the boundary between conventional feature phones and smartphones.

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