Hi, simple and quick question : is it possible to downgrade the firmware ? if yes, then how ? i'm still on 1.1.8, working quite ok... and if i try 1.4.3 but it is worse, i want to be able to go back..

Hi I've had a 3 unit Deco P9 system from February this year. The Deco is in router mode.All units are connected directly to mains, no extension cords are used. Main unit and one of the satellites are