Devices and smart home
Firmware
In short and in plain language
Firmware is the fixed software inside a device.
This can be a router, a television or a robot vacuum.
It runs the main jobs of the device.
Makers put out updates for it. They can fix faults or close holes in security.
Definition
Firmware is the built-in software of a device such as a router, television or robot vacuum. It controls the basic functions of the device. Manufacturers release updates for it that can fix errors or close security gaps.