It seems not. But you can try to configure the router to WDS bridging to a root router. Just as the following FAQ described: http://www.tp-link.com/en/faq-1385.html

eburns227 wrote As far as I know, the issues with the internet occurred both when it was in power-save mode and regular mode. I'll see if I can notice whether it's worse with one setting or the...

It seems normal that the speed will cut down once NAT boost is disabled. Because when you disable the NAT boost feature, all the traffic will be handled and forwarded by the chipset. As we know, a...

What about the firmware version on your Archer C50? Have you tried another port, such as the standard port 80 for HTTP?

Could you confirm the model number? It seems tplink doesn't sell the model you mention as far as I searched on the US website.

It seems tplink provides http download link only. However, the upgraded firmware works just fine as expected. And I don't think anyone has made any changes in it.