@K1234 Hi, Thank you for your patience. Have you tried to set up another Deco as the main Deco, such as How to Setup the Satellite Deco to be the Main Deco? How often did this issue start? When the...

@Rasheef Hi, it is suggested that you could have a look at this link: [Deco] Manual Signal Source Selection

@Friet Hi, Thank you very much for the update. I might need to forward your case to the senior engineers for further assistance. PS: there is a new firmware for Deco S4 1.5.0 and could you please try...

@Pablolacala Hi, Did other devices get a decent speed from Deco? Was the PS4 connected to the 5ghz of Deco, or via Ethernet connection? Is your model number Deco P9?

@Bouziano Hi, the Deco APP has no region limitation and you are supposed to download the Deco APP everywhere. https://www.tp-link.com/en/support/download/deco-m5/v3/#Apps Would there be any error...

@Ceryn Hey, I see the Deco M4 is now online so I guess now you have the issue fixed? Thank you.