Maybe you can try to reset the device after you upgraded the firmware and check it again.

WDS should supports all sorts of security type including WPA-PSK and WEP. If you want to link the two routers together by running WDS, I suggest you only enable WDS on the second the router and leave...

With this model, Virtual Sever is under Forwarding. What's more, if the modem is still under bridge mode, you may not have that, so you can try configure the modem with PPPoA connection and see...

It seems there is no menu to set that up. I'm afraid you cannot do that with this model:(

Maybe you can try to pair them in this way: 1. plug the adapters into the same extension socket or in the same room. 2. press the pair button on adapter A for 5 seconds (Note that it’s not press the...

Try the access control: http://www.tp-link.com/en/article/?faqid=359