I just got this U300 and a SLZB-MR4 radio but can’t seem to get things working. The SLZB has one radio set to Matter over Thread and is connected via USB to my Home Assistant server, though it says Thread is not connected.
In the Aqara app I can’t add the U300 because it says I don’t have a Matter hub setup… but then only gives me the option to add an Aqara one.
How did you get the U300 into the Aqara app using a non-Aqara hub?