When your D-Link router becomes slow and unable to work done- Most of the things a couple of devices being arises this. For this kind of issues creates in front of you, then try to make it as improve by turning off all the devices and then plug back to it, see if find any improvement in it. And if not, then make one call at D-Link tech support number (Toll Free).
2. Slow Speeds is due to not upgrading the router’s firmware- To download the latest version of router’s firmware, you need to go through the router’s website. Only when it is available. For this, you need to search the management section through which you can easily locate the router’s firmware upgrade section and install it. If found more troubles in doing so then Contact at D-Link technical support, they make the full process of downloading the d-link router’s firmware.