Firmware is that preinstalled computer code on the router that every brand has their own. As each router manufacturer has its own version of this software system, it controls all the inner workings of the device. Firmware of the router not only controls the operating system but also protects the router from external threats and viruses. Firmware also assign different control to different users using the router. As firmware software allows administration controls to manage router settings.Why to update Tenda router?
Here is a whole information for setting up the Tenda router. If still you need help then visit Tenda official Website.