Some devices don't prompt you to update the firmware, so you have to either check the manufacturer's website to see if a new update has been released or register the device on the manufacturer's website so you can get emails when the new firmware comes out.
It has SOC(system on chip) that can handle TCP protocols.
By default, these modules come with an AT command processor and can act as a serial to Wi Fi bridge.
There is lots of info on the web about this module.
To update the firmware via the network, take the following steps: The Ultimaker 3 will now get the latest firmware from the network and install it.
See Hardware vs Software vs Firmware: What's the Difference? Devices that you might think of as strictly hardware such as optical drives, a network card, a router, a camera, or a scanner all have software that is programmed into a special memory contained in the hardware itself.
Manufacturers of CD, DVD, and BD drives often release regular firmware updates to keep their hardware compatible with new media.
Firmware is software that is embedded in a piece of hardware.
You can think of firmware simply as "software for hardware."However, the firmware is not to an interchangeable term for software.