@Maksidaa That looks like defective unit, but for the certainty I would recommend the following test: have that unit connected wirelessly to Deco mesh. Position it in such a way that it reports...

@Con2121 With Deco mesh in Access Point mode you can do that and there should not be any issues. The only exception is if your ISP modem/router is not compatible with Deco Ethernet backhaul, but that...

@PKBrussee This screenshot tells your Bedroom Satellite Deco connects to the rest of Deco mesh by WiFi, and that signal is good. Living Room and Main Bedroom Satellite Deco both use Ethernet link....

@Roy22 Try Method 3 from the following document: How to Update the Firmware of Deco

@Huw53 This usually happens when device uses "randomized MAC address." On each of such devices you'll need to configure "use device MAC address" for Deco mesh SSID.

@Nathanpgonzalez Those I can recall are for a different issue: you must be running Deco in Access Point mode, use "Test Internet Speed" button in Deco app. That "Test Internet Speed" will report...