Sounds weird! What are the configuration you have done on the router? Are you using a DDNS server from a root-servers.net or is there any device in your house use that website's service? How about...

Go to Google and then search how to set Huawei mobile to connect the WIFI.

Is there any ip conflicts between the modem and the TP-LINK router? If wireless is working, then check the physical connection between the router,modem and computer.

How much power does your HDD need? It is said that the TL-WR2543ND can supply 500MA power to the USB port.If it is the power supply causing the problem, i do not think the firmware can solve the...

There is a way to test whether the port is forwarded or not.However, you need make sure that the router is connected behind a pure modem and get a public IP address. You can use telnet to see if the...

The screen shot for the setting and the port number you have changed will make it more convinced for TP-LINK to fix it. The test results from the external outside is also needed to push the TP-LINK...