Over-the-air update

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An over-the-air update (or OTA update), also known as over-the-air programming (or OTA programming),^[1] is an update to an embedded system that is delivered through a wireless network, such as Wi-Fi or a cellular network.^[2][3][4] These embedded systems include mobile phones, tablets, set-top boxes, cars and telecommunications equipment. OTA updates for cars and internet of things devices can also be called firmware over-the-air (FOTA).^[5][6] Various components may be updated OTA, including the device's operating system, applications, configuration settings, or parameters like encryption keys.