@naiaraz Hi, Please check the specification of the Ethernet cable between the main Deco and satellite Deco. For your case, please use an Ethernet cable with CAT5e or higher.

@Krolik123 Hi, Yes, Deco X50 supports AP mode. How to set up Deco to work in Access Point mode

@Skyjersey Hi, Please check if the firmware is the latest or not. If not, please update to the latest firmware. And also reset this unit and check if it can work normally then. If the issue still...

@Nqrcotik Hi, All Deco models are able to work together. For your case, you can reset the new units and add them to the current network one by one. How to add an additional unit to your Deco network...

@ChibiMax Hi, So far Deco X50/X55 already support the whitelist feature. The other models does not support it at present.

@Aidzeer Hi, You can click on the little i icon on the right side, and then unbind the device.