The firmware of a dlink router should regularly be updated whenever a new version is available for it. A new version of firmware not only removes the bugs from your device and also updates the current features of a router that enhances efficiency of the router. The firmware of a Dlink router can be updated through two methods either through a manual method or directly through the dlinkrouter.local interface. The firmware of a dlink router should regularly be updated whenever a new version is available for it.