I'm trying to contact tp link support, but without any answer from them. (web form sent: no answer; trying to reach them on the phone seems impossible (in France)) So I'm dealing with the reseller to...

Hello, exact same problem here, with my brand new TD-W8970 V1, latest firmware installed. I tried to lower the wifi power to 50%, disable UPNP and every service I do not use (FTP server, usb sharing,...