Firmware is a type of software that is stored on a hardware device, such as an iPhone. It controls the low-level operations of the device, and it is responsible for tasks such as booting up the device, managing the hardware, and providing basic functionality.
The firmware on your iPhone is updated regularly by Apple, and these updates can include new features, bug fixes, and security patches. It is important to keep your iPhone’s firmware up to date in order to ensure that your device is running smoothly and securely.