Answer:
Update the unit firmware.
Explanation:
Updating unit firmware means update the information related to the network that is newly installed on the wireless router. The purpose of this change is to update the devices with new network alterations to work with efficiency and better security. As things are updating on daily basis, so the manufacturer makes the devices, reprogram able to meet the requirement of the future by updating the program in firmware unit. By updating device means this will be to fix the bugs that can be occur in modern era. This will make the device more secure.