@Maths15 Hello, so does it work properly now after you swapped them out? If not, please provide the information and corresponding results of troubleshooting methods mentioned above. Thanks a lot.

@MattiaM Hello, sorry to respond late. We tried to do a test at our end but not able to duplicate the same issue. Back to your case, it is suggested to enable bandwidth control to give it a go. Below...

@fizzandme What about the 5GHz wifi led? Is it on or off? You can use the tpPLC utility to verify the wireless settings. https://www.tp-link.com/support/download/tl-wpa7510-kit/#Utility Here is the...

@dynamoAnik Hello, what is the bandwidth you paid for your ISP? Including the download speed and upload speed. With cellphone connected to the TP-Link wifi, please click here to get the wireless...

@Davneely Hello, try to change different web browser or devices to access and verify whether it works. You can change the DNS server of the router, set primary DNS as 8.8.8.8; secondary DNS as...

@Drizzit Hello, thanks for your reply. Please ensure that the firmware of Archer C7 itself is up to date. In the meantime, please update the Tether app. After that, please verify whether it works....