@jra11500 Thank you! I will try another PC. The ISP says they'll charge for a site visit, so I want to try as best I can to eliminate all possible issues on my side of the fence. Will report back...

@jra11500 Hello, and thanks much for your questions. Answers: 1) Direct connect to ISP modem I achieve the same speeds 550-650 range. 2) I do use an ethernet dongle (uni) that connects via USB C to...

I recently upgraded with my fiber ISP from 500Mb to 1Gig service, but am only achieving 550-650 wired WAN speeds on my AX55. I performed a factory reset, firmware upgrade, and removed the Tether app....