@German_Soler Have u tried to use Connection Preference to connect your Deco to Deco for better singals and performance. Like from Deco 1 to Deco 2 and from Deco 2 to Deco 3 and from Deco 3 to Deco 4...

@eth2 You can use your X55 as Main Deco Unit and if you change the channels on X55 so your Deco X50 unit will automatically change and pickup the channel from Deco X55

@BarryBatsapple Have u tried to downgrade the firmware? Hope this will solve your problem.

@BarryBatsapple Have u tried to change DNS Servers on your Deco and PS5 to Google DNS 8.8.8.8 & 8.8.4.4 or Cloudflare DNS 1.1.1.1 & 1.0.0.1

@Decofab You can use the other Deco units within the range to 25-30 feets from Main Deco Unit.

@Ifty_007 I think there is a beta firmware to change WiFi Channels or i think auto use Non Overlapping Channels.