Did you try different web browsers or computers? Can you upgrade 141106?

@ RudemanRB You should be more patient as they have to test it. :) Remember to post it here if there is any update.

It may cause damage to the circuit of M5350's hardware. You'd better power on the device with power cord while the battery is fully charged.

Your wireless router is a 11N device capable of 5GHz band? They can work together.

Which port are you trying to open? Follow the guide as below to re-check your settings. The page is little different but just for your reference. http://www.tp-link.com/en/faq-72.html

All of us here are users and try to to help each other. If you think it should be but it doesn't, then TP-LINK should make some improvements or they should know it at least. :) C7 is not new any...