@Richchad TP-Link has huge variety of Deco models and their naming could be confusing. I can find at least three Deco models listed as AX3000: X50, X55 and X60. Among these three, X50 and X55 have...

@Richchad Check both X55 and X50 on Amazon. Where I am (Canada) Amazon currently only has 3-unit sets of X55, but 2-unit sets of X50. I'll put screenshot at the bottom of this post. X55 and X50 are...

@Anand_ Changing Satellite Deco from E4 to X10 will not increase speed to 300Mbps. Expect to have half of the speed on Satellite Deco from what you see on Main Deco. This is technology limitation. To...

@VisLock Other that yellow dot, there is something else wrong with your M9/M5 Deco mesh. Here is how I see that screen with my M9/M5 Deco mesh: There are clients connected to Satellite Deco, and I...

@Yopejjepi Judging from your screenshot, you have M3W as Satellite Deco. That Deco model has very old firmware, which does not show devices connected to it. In Deco app, these devices will be shown...

@ErnstSl Could be both Ethernet cables with problems, could be hardware issue with second port of Main Deco. You'll need to run few more tests to narrow the issue. You run Deco mesh in AP mode, so...