Did you update the firmware at some point? On my Archer C8, port forwarding does not work with the latest firmware version so I dropped back to an older version. The User Interface was different in...

What formats are the USB drives as TP-Link does not work with some formats such as the Apple formats.

Contact TP-Link support and see if that have a beta version firmware for this model to correct VPN.

Click either Use default account or Use New Account. Set folder sharing to share all. Save the settings. Power off the router, insert USB, and power on the router. Now see if you can access the USB...

My understanding that once a router is bricked, it is not a sure thing that it can be un-bricked. It depends on the router and what caused it to brick. Why would you have a need to replace the C9...

Shot in the dark... Check the reset button and see if it happens to be stuck. You should hear a click or fell it click when depressed. Do not hold it in long as that resets the router. Let us know if...