Set AX4400 5G Channel Width to 20/40/80/160Mhz. Now getting 500+mbps down and up.

As noted in the subject my new T9UH is showing about 250mbps down / 320mbps up via speedtest. Ipad 3rd gen in same physical location is 500+/500+. Linkspeed: 1300mbps Router: TP AX4400 behind a...