@Joseph-TPwired connection has no such issues .I changed channels unfortunately it didn't solve upload Bufferbloat latency issue.It is related to router mode with qos enabled ,AP mode has no such...

Ax10 hardware version 1.2, High upload Bufferbloat on wifi 2.4ghz and 5ghz even when qos is turned on. sometimes youtube app and websites slows down, MY old archer a6 v3 perform better than this...