Update (solved hopefully) Want to tell that the problem seems to be solved (hopefully). I Googled a lot and also swapped the old and new Deco's 4-5 times (including configuration). Ready to return...

@RDMH Hello, I did just find this post with X50 and Powerline. I upgraded my 3 pack Deco M4 with a 3 pack Deco X50 and experience connection problems. The M4 had no problems. With the X50 I have a...