Firmware is programming that’s written to a hardware device’s “non-volatile” memory. In electronic systems and computing, firmware is a computer program that provides the “Low Level Control” (LLC) for the device’s specific hardware. Without firmware, most of the electronic devices
Firmware such as the program of an embedded system may be the only program that will run on the system and provide all of its functions.
Firmware updates are available from hardware manufacturers.
A firmware update is a software program that can be used to update the firmware in these devices.
IOS devices like iPhones and IPads also occasionally get firmware updates. These devices let you download and install the firmware from the device itself so you don’t have to manually download and install it yourself.
They also provide the necessary software tools to write the new firmware onto those devices.
Some firmware updates are applied wirelessly and just seem like a regular software update.