@doraemon90 I'm running 1.5.1 build 20210126 now; but if I remember correctly the one before that fixed the issue.

@Caiosa They finally released a firmware update that solved this bug. Instructions are here somewhere else on the forum

Upgrade of third node finally succeeded (with the old command tool). Needed to reset the main deco and the old one - then upgrade was okay.

@XiniX00 Thanks! Upgraded 2 of 3 Deco's using this tool; the third one gives an error: Exception in Tkinter callback Traceback (most recent call last): File "lib-tk\Tkinter.py", line 1541, in...

DaveEdi wrote Third Deco now upgraded. :) @DaveEdi I encounter the same issue as you reported: 2 of my Deco's are updated nut the third one gives an error: Exception in Tkinter callback Traceback...

@TP-Link_Deco it's a windows 10 system. No other systems available unfortunately.