routers Xiaomi Router 4a Gigabit edition Wifi Issues

[Gano_Nomazu]

Hello there!!, I want to share an issue I'm experimenting since I bought my Router, When i ran speeds test and download large files, my Router always slow downs in a V graphic and later go up again, but later do the same slow down, I wonder if anyone experience this issue with this or other model, i had the same problem with a Belkin router. I'm currently using an Poco F3, Galaxy Tab A7, Moto g41 and moto G20 for testing my router. And of course I run the test with Wifi Only, a meter away, and different speed test and servers. I want to clarify my Modem ISP runs perfectly good without that issue as well the UTP Cat5e cable I'm connected.

 

Thank for your attention and I'm waiting your help.