Thanks Alexandre. I'm getting around 380 Mbps now. It is ok to me.

@Zed_Br Ok, I realize that I forgot to clean the QOS configuration, that was with the old test speed as the limit when my service provider was deliverering up to 250 Mpbs. Is it ok to set QOS limit...

@Niceguys I stil can have only up to 240 Mpbs when testing my WiFi speed on SpeedTest. :( This is happaning on all my devices and my cable modem is up to 500 Mpbs. When connected in UTP (cable) I can...