@David-TP I only powered on 1 Deco E4 to test the speed and it is around 30-50 mbps in my room. The firmware for the M4R is 1.8.0 Build 20250721 Rel. 49216 and the sattelite E4S is 1.0.5 Build...

@ARGamingPK1 The M4 is connected to the modem with an ethernet cable and I'm getting testing the speed on my cellphone and laptop via Wi-Fi.

@ARGamingPK1 I'm getting around 850 mbps on the main router (M4).

I recently upgraded to 1000 mbps with my provider. I already had 3 Deco E4's in my house but I learned that they only support 100 mbps via ethernet port so I bought an M4 to serve as the main deco...