@Offdave Hi, Was this firmware update offered to you by the router itself or did you download it via a download link that you found somewhere? You can only get rid of the watermark by either...

@Nedas Hi, Can you please provide some actual numbers for your Internet plan's speed and the Archer C80's transfer speed? Furthermore, is the client device you measure the transfer speed on connected...

@sarthakv28 Hi, I am afraid, hardware version 4 (V4) of the Archer A6 doesn't have the VPN feature. https://www.tp-link.com/en/home-networking/wifi-router/archer-a6/#specifications

@MunirAzam Hi, Many of TP-Link's devices will only accept a firmware update whose region code or provider code matches that of the device. So, for example, if the label on the underside of your...

@mullaleyi Thanks for letting us know how you were able to solve the problem.

@Boss64 I think given that your router's Internet connection doesn't have an IPv4 address assigned to it (as per the screenshot you posted) whatever IPv4 address the websites see must be the result...